Is 1771 a deficient number and what is its deficiency?

Is 1771 a deficient number?

Here we will explain and calculate if 1771 is a deficient number and its deficiency if applicable.

1771 is a deficient number if the sum of its proper divisors is less than 1771.

The sum of its proper divisors is calculated as follows: 1 + 7 + 11 + 23 + 77 + 161 + 253 = 533.

533 is less than 1771. Therefore, 1771 is a deficient number.

The deficiency of 1771 is 1771 minus the sum of its proper divisors. Thus, the deficiency of 1771 is 1771 - 533 = 1238

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