Is 642 an abundant number and what is its abundance?

Is 642 an abundant number?

Here we will explain and calculate if 642 is an abundant number and its abundance if applicable.

642 is an abundant number if the sum of its proper divisors is greater than 642.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 107 + 214 + 321 = 654.

654 is greater than 642. Therefore, 642 is an abundant number.

The abundance of 642 is the sum of its proper divisors minus 642. Thus, the abundance of 642 is 654 - 642 = 12

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