I am even and less than
100. I have an odd
number of factors. The
sum of my digits is 10.

The sum-of-divisors function σ is multiplicative, with σ(pm)=1+p+…+pm for a prime p. In particular, σ(2m) is always odd, while for an odd prime .

Step-by-step explanation:

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

1 1/7 hope i

step-by-step explanation:

8/7 = (1 * 7 + 1) / 7 = 1 + 1/7 = 1 1/7