Is 2405 a deficient number and what is its deficiency?

Is 2405 a deficient number?

Here we will explain and calculate if 2405 is a deficient number and its deficiency if applicable.

2405 is a deficient number if the sum of its proper divisors is less than 2405.

The sum of its proper divisors is calculated as follows: 1 + 5 + 13 + 37 + 65 + 185 + 481 = 787.

787 is less than 2405. Therefore, 2405 is a deficient number.

The deficiency of 2405 is 2405 minus the sum of its proper divisors. Thus, the deficiency of 2405 is 2405 - 787 = 1618

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