Is 253 a deficient number and what is its deficiency?

Is 253 a deficient number?

Here we will explain and calculate if 253 is a deficient number and its deficiency if applicable.

253 is a deficient number if the sum of its proper divisors is less than 253.

The sum of its proper divisors is calculated as follows: 1 + 11 + 23 = 35.

35 is less than 253. Therefore, 253 is a deficient number.

The deficiency of 253 is 253 minus the sum of its proper divisors. Thus, the deficiency of 253 is 253 - 35 = 218

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