Is 2790 a deficient number and what is its deficiency?

Is 2790 a deficient number?

Here we will explain and calculate if 2790 is a deficient number and its deficiency if applicable.

2790 is a deficient number if the sum of its proper divisors is less than 2790.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 5 + 6 + 9 + 10 + 15 + 18 + 30 + 31 + 45 + 62 + 90 + 93 + 155 + 186 + 279 + 310 + 465 + 558 + 930 + 1395 = 4698.

4698 is not less than 2790. Therefore, 2790 is not a deficient number.

The deficiency of 2790 is 2790 minus the sum of its proper divisors. Thus, the deficiency of 2790 is 2790 - 4698 = No Deficiency

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