Base | Representation |
---|---|
bin | 11101001001101… |
… | …100010000000000 |
3 | 1021002021211100222 |
4 | 131021230100000 |
5 | 2000201023213 |
6 | 120310402212 |
7 | 15056052440 |
oct | 3511542000 |
9 | 1232254328 |
10 | 489079808 |
11 | 231088998 |
12 | 117960368 |
13 | 7a430749 |
14 | 48d52120 |
15 | 2ce0c808 |
hex | 1d26c400 |
489079808 has 132 divisors (see below), whose sum is σ = 1170818496. Its totient is φ = 199987200.
The previous prime is 489079763. The next prime is 489079819. The reversal of 489079808 is 808970984.
It is a self number, because there is not a number n which added to its sum of digits gives 489079808.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6888413 + ... + 6888483.
Almost surely, 2489079808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 489079808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585409248).
489079808 is an abundant number, since it is smaller than the sum of its proper divisors (681738688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489079808 is an equidigital number, since it uses as much as digits as its factorization.
489079808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 53.
The square root of 489079808 is about 22115.1488351311. The cubic root of 489079808 is about 787.8797002574.
The spelling of 489079808 in words is "four hundred eighty-nine million, seventy-nine thousand, eight hundred eight".
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