Is 689 an abundant number and what is its abundance?

Is 689 an abundant number?

Here we will explain and calculate if 689 is an abundant number and its abundance if applicable.

689 is an abundant number if the sum of its proper divisors is greater than 689.

The sum of its proper divisors is calculated as follows: 1 + 13 + 53 = 67.

67 is not greater than 689. Therefore, 689 is not an abundant number.

The abundance of 689 is the sum of its proper divisors minus 689. Thus, the abundance of 689 is 67 - 689 = no abundance

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