Base | Representation |
---|---|
bin | 11101000111101… |
… | …111110001000000 |
3 | 1021001022220221020 |
4 | 131013233301000 |
5 | 2000033214140 |
6 | 120251425440 |
7 | 15051530046 |
oct | 3507576100 |
9 | 1231286836 |
10 | 488569920 |
11 | 23086a8a3 |
12 | 117755280 |
13 | 7a2b2637 |
14 | 48c5c396 |
15 | 2cd5b6d0 |
hex | 1d1efc40 |
488569920 has 112 divisors (see below), whose sum is σ = 1601346048. Its totient is φ = 126074880.
The previous prime is 488569903. The next prime is 488569927. The reversal of 488569920 is 29965884.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488569927) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21552 + ... + 37968.
Almost surely, 2488569920 is an apocalyptic number.
488569920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 488569920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800673024).
488569920 is an abundant number, since it is smaller than the sum of its proper divisors (1112776128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488569920 is a wasteful number, since it uses less digits than its factorization.
488569920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16468 (or 16458 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 51.
The square root of 488569920 is about 22103.6178034276. The cubic root of 488569920 is about 787.6058048819.
The spelling of 488569920 in words is "four hundred eighty-eight million, five hundred sixty-nine thousand, nine hundred twenty".
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