Is 3975 a deficient number and what is its deficiency?

Is 3975 a deficient number?

Here we will explain and calculate if 3975 is a deficient number and its deficiency if applicable.

3975 is a deficient number if the sum of its proper divisors is less than 3975.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 25 + 53 + 75 + 159 + 265 + 795 + 1325 = 2721.

2721 is less than 3975. Therefore, 3975 is a deficient number.

The deficiency of 3975 is 3975 minus the sum of its proper divisors. Thus, the deficiency of 3975 is 3975 - 2721 = 1254

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