Is 505 a deficient number and what is its deficiency?

Is 505 a deficient number?

Here we will explain and calculate if 505 is a deficient number and its deficiency if applicable.

505 is a deficient number if the sum of its proper divisors is less than 505.

The sum of its proper divisors is calculated as follows: 1 + 5 + 101 = 107.

107 is less than 505. Therefore, 505 is a deficient number.

The deficiency of 505 is 505 minus the sum of its proper divisors. Thus, the deficiency of 505 is 505 - 107 = 398

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