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Numbers / 489

The Number 489

489 is composite: factorization 3 × 163. That gives 489 exactly 4 divisors: 1, 3, 163, 489. 489's proper divisors total just 167, 322 short of 489, the deficient case most of 489's neighbors share too. 489 has a digit sum of 21; for 489, the digital root works out to 3. 489: 3 all divide 489 evenly, out of 2-12. 489 is 111101001 in binary and 1E9 in hex; as a Roman numeral it's CDLXXXIX.

Factors
1, 3, 163, 489
Number of factors
4
Prime?
No
Prime factorization
3 x 163
Even or odd
Odd
Square
239121
Cube
116930169
Binary
111101001
Hexadecimal
1E9
Roman numeral
CDLXXXIX
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 489 in detail →Is 489 prime? →