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Consider the number 50.
502 = 2500 = 22 × 54, so φ(2500) = 2 × 4 × 53 = 8 × 53 = 23 × 53. 1
So 2500 is a square and φ(2500) is a cube.Find the sum of all numbers n, 1 &#x3C; n &#x3C; 1010 such that φ(n2) is a cube.
1 φ denotes Euler's totient function.
</section>

function euler342() {
  // Good luck!
  return true;
}

euler342();


index

Problem 342: The totient of a square is a cube

<code>euler342()</code> should return 5943040885644.