Is 625 a deficient number and what is its deficiency?

Is 625 a deficient number?

Here we will explain and calculate if 625 is a deficient number and its deficiency if applicable.

625 is a deficient number if the sum of its proper divisors is less than 625.

The sum of its proper divisors is calculated as follows: 1 + 5 + 25 + 125 = 156.

156 is less than 625. Therefore, 625 is a deficient number.

The deficiency of 625 is 625 minus the sum of its proper divisors. Thus, the deficiency of 625 is 625 - 156 = 469

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