Is 1375 a deficient number and what is its deficiency?

Is 1375 a deficient number?

Here we will explain and calculate if 1375 is a deficient number and its deficiency if applicable.

1375 is a deficient number if the sum of its proper divisors is less than 1375.

The sum of its proper divisors is calculated as follows: 1 + 5 + 11 + 25 + 55 + 125 + 275 = 497.

497 is less than 1375. Therefore, 1375 is a deficient number.

The deficiency of 1375 is 1375 minus the sum of its proper divisors. Thus, the deficiency of 1375 is 1375 - 497 = 878

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