self Maths Puzzle

6+3+2 = 242116
8+9+1 = 727216
5+7+4 = 505644
2+7+5 = Who am I?

Read Solution (Total 3)

self Other Question

I am thinking of a 6-digit number. The sum of the digits is 43.

And only two of the following three statements about the number are true:

(1) it's a square number,
(2) it's a cube number, and
(3) the number is under 500000.
5+5 = 10
38+20 = 1858
5+3 = 28
9+1 = 810
8+6 = 214
5+4 = 19
7+3 = ?