Is 2138 a deficient number and what is its deficiency?

Is 2138 a deficient number?

Here we will explain and calculate if 2138 is a deficient number and its deficiency if applicable.

2138 is a deficient number if the sum of its proper divisors is less than 2138.

The sum of its proper divisors is calculated as follows: 1 + 2 + 1069 = 1072.

1072 is less than 2138. Therefore, 2138 is a deficient number.

The deficiency of 2138 is 2138 minus the sum of its proper divisors. Thus, the deficiency of 2138 is 2138 - 1072 = 1066

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