Is 275 a deficient number and what is its deficiency?

Is 275 a deficient number?

Here we will explain and calculate if 275 is a deficient number and its deficiency if applicable.

275 is a deficient number if the sum of its proper divisors is less than 275.

The sum of its proper divisors is calculated as follows: 1 + 5 + 11 + 25 + 55 = 97.

97 is less than 275. Therefore, 275 is a deficient number.

The deficiency of 275 is 275 minus the sum of its proper divisors. Thus, the deficiency of 275 is 275 - 97 = 178

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