Problem 42085. Sum of digits of powers of 2

 Input: n = 7
 2^n = 128
 Output: b = 1 + 2 + 8 = 11

Solution Comments

Problem Recent Solvers72

Suggested Problems

• Trimming Spaces

  2530 Solvers

• Who invented zero?

  609 Solvers

• Sum of first n positive integers

  625 Solvers

• Square the input

  527 Solvers

• Matrix of almost all zeros, except for main diagonal

  191 Solvers

More from this Author1

• Ring Matrix

  32 Solvers