Problem 252. Project Euler: Problem 16, Sums of Digits of Powers of Two
2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.
What is the sum of the digits of the number 2^N?
Thanks to Project Euler Problem 16.
Solution Stats
Problem Comments
-
2 Comments
@bmtran (Bryant Tran)
on 4 Feb 2012
added a test case to make it a wee bit harder
Hoang Minh Tri
on 19 Nov 2025 at 19:40
ta cần nhân 2 cho đến khi đủ mũ n và hãy lưu ý rằng nên để kết quả dưới dạng char để tránh bị tràn số vì input là mũ rất lớn
Solution Comments
Show commentsProblem Recent Solvers174
Suggested Problems
-
288 Solvers
-
276 Solvers
-
Find a subset that divides the vector into equal halves
397 Solvers
-
Find nearest prime number less than input number
1010 Solvers
-
Natural numbers in string form
1792 Solvers
More from this Author56
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!