Question

Express 2015 as a sum of distinct powers of 2.

Answer 1

Answer:

1024+512+256+128+64+16+8+4+2+1 =2015

which is

2^10 + 2^9 + 2^8 + 2^7 + 2^6 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0.

Had to miss 2^5 = 32 as adding this would have exceeded the value.