Is 2678 a deficient number and what is its deficiency?

Is 2678 a deficient number?

Here we will explain and calculate if 2678 is a deficient number and its deficiency if applicable.

2678 is a deficient number if the sum of its proper divisors is less than 2678.

The sum of its proper divisors is calculated as follows: 1 + 2 + 13 + 26 + 103 + 206 + 1339 = 1690.

1690 is less than 2678. Therefore, 2678 is a deficient number.

The deficiency of 2678 is 2678 minus the sum of its proper divisors. Thus, the deficiency of 2678 is 2678 - 1690 = 988

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