490,689
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Number
$490 \, 689$ (four hundred and ninety thousand, six hundred and eighty-nine) is:
- $3^2 \times 54521$
- The sum of $3$ cubes in $2$ different ways:
- $490 \, 689 = 4^3 + 60^3 + 65^3 = 8^3 + 25^3 \times 78^3$
- while at the same time $4 \times 60 \times 65 = 8 \times 25 \times 78$
Also see
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $490,689$