Is 1975 a deficient number and what is its deficiency?

Is 1975 a deficient number?

Here we will explain and calculate if 1975 is a deficient number and its deficiency if applicable.

1975 is a deficient number if the sum of its proper divisors is less than 1975.

The sum of its proper divisors is calculated as follows: 1 + 5 + 25 + 79 + 395 = 505.

505 is less than 1975. Therefore, 1975 is a deficient number.

The deficiency of 1975 is 1975 minus the sum of its proper divisors. Thus, the deficiency of 1975 is 1975 - 505 = 1470

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