Problem 60516. Compute the totient summatory function

• Created by ChrisR

×

Like (0)

Difficulty:

(1151)

Rate

• Solve Later   
• Add To GroupÂ

Cody Problem 656 deals with the totient function, denoted by which counts the numbers less than n that are relatively prime to n. The first five values of the totient are 1, 1, 2, 2, and 4.

The totient summatory function is the sum of the values of from to n. Therefore, .

Write a function to compute the totient summatory function.

Optional: determine the connection between the totient summatory function and the Farey sequence.

Solve

Solution Stats

100.0% Correct | 0.0% Incorrect

• 5 Solutions
• 5 Solvers

Last Solution submitted on Jul 25, 2024

Last 200 Solutions

Solution Comments

ANNOUNCEMENT ×

Registration Now Open for MathWorks AUTOMOTIVE CONFERENCE 2025

Hello Community, We're excited to announce that registration is now open for the...

Problem Recent Solvers5

Suggested Problems

• given 3 sides, find area of this triangle

  807 Solvers

• Back to basics 9 - Indexed References

  446 Solvers

• Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]

  382 Solvers

• Numbers in extended form

  104 Solvers

• Calculate the h-index

  45 Solvers

More from this Author294

• List Ormiston prime pairs

  5 Solvers

• Compute measurement uncertainty

  8 Solvers

• Solve an ODE: concentrations predicted by the cells-in-series model

  3 Solvers

• List the segmented numbers

  5 Solvers

• Count estrangements

  7 Solvers