there are 4 3 -digit numbers which are equal to the sum of the cubes of their digits three of them are: 153 ,370 and 407 which is the fourth one? hint: it is very easy!

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Since \(3^{3} + 7^{3} + 0^{3} = 370\)

Then \(3^{3} + 7^{3} + 1^{3} = 371\) – Pi Han Goh · 3 years, 6 months ago

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– Snehdeep Arora · 3 years, 6 months ago

correct!Log in to reply

They are known as Armstrong Numbers in popular recreational math nomenclature. – Abhishek De · 3 years, 6 months ago

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