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14-10-2020
Mathematics

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Is it true that a number is divisible by 18 if the sum of all of its digits is divisible by 18?

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yarielymarie2005 yarielymarie2005

14-10-2020

A number is divisible by 18 if it is an even number AND the sum of its digits is divisible by 9. For example, 492,480 is divisible by 18 because it is an even number and the sum of its digits is 4 + 9 + 2 + 4 + 8 + 0 = 27 is divisible by 9.

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