Is 1611 a deficient number and what is its deficiency?

Is 1611 a deficient number?

Here we will explain and calculate if 1611 is a deficient number and its deficiency if applicable.

1611 is a deficient number if the sum of its proper divisors is less than 1611.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 179 + 537 = 729.

729 is less than 1611. Therefore, 1611 is a deficient number.

The deficiency of 1611 is 1611 minus the sum of its proper divisors. Thus, the deficiency of 1611 is 1611 - 729 = 882

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