Is 2109 a deficient number and what is its deficiency?

Is 2109 a deficient number?

Here we will explain and calculate if 2109 is a deficient number and its deficiency if applicable.

2109 is a deficient number if the sum of its proper divisors is less than 2109.

The sum of its proper divisors is calculated as follows: 1 + 3 + 19 + 37 + 57 + 111 + 703 = 931.

931 is less than 2109. Therefore, 2109 is a deficient number.

The deficiency of 2109 is 2109 minus the sum of its proper divisors. Thus, the deficiency of 2109 is 2109 - 931 = 1178

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