Is 2781 a deficient number and what is its deficiency?

Is 2781 a deficient number?

Here we will explain and calculate if 2781 is a deficient number and its deficiency if applicable.

2781 is a deficient number if the sum of its proper divisors is less than 2781.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 27 + 103 + 309 + 927 = 1379.

1379 is less than 2781. Therefore, 2781 is a deficient number.

The deficiency of 2781 is 2781 minus the sum of its proper divisors. Thus, the deficiency of 2781 is 2781 - 1379 = 1402

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