Is 1253 a deficient number and what is its deficiency?

Is 1253 a deficient number?

Here we will explain and calculate if 1253 is a deficient number and its deficiency if applicable.

1253 is a deficient number if the sum of its proper divisors is less than 1253.

The sum of its proper divisors is calculated as follows: 1 + 7 + 179 = 187.

187 is less than 1253. Therefore, 1253 is a deficient number.

The deficiency of 1253 is 1253 minus the sum of its proper divisors. Thus, the deficiency of 1253 is 1253 - 187 = 1066

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