Is 5405 a deficient number and what is its deficiency?

Is 5405 a deficient number?

Here we will explain and calculate if 5405 is a deficient number and its deficiency if applicable.

5405 is a deficient number if the sum of its proper divisors is less than 5405.

The sum of its proper divisors is calculated as follows: 1 + 5 + 23 + 47 + 115 + 235 + 1081 = 1507.

1507 is less than 5405. Therefore, 5405 is a deficient number.

The deficiency of 5405 is 5405 minus the sum of its proper divisors. Thus, the deficiency of 5405 is 5405 - 1507 = 3898

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