Base | Representation |
---|---|
bin | 10010110100000… |
… | …010010100010100 |
3 | 210222220201011011 |
4 | 102310002110110 |
5 | 1121300141433 |
6 | 51153022004 |
7 | 10551550420 |
oct | 2264022424 |
9 | 728821134 |
10 | 315630868 |
11 | 152190163 |
12 | 89854904 |
13 | 50511637 |
14 | 2dcc1b80 |
15 | 1ca9a3cd |
hex | 12d02514 |
315630868 has 24 divisors (see below), whose sum is σ = 648324992. Its totient is φ = 131613984.
The previous prime is 315630859. The next prime is 315630893. The reversal of 315630868 is 868036513.
It is a self number, because there is not a number n which added to its sum of digits gives 315630868.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151296 + ... + 153367.
Almost surely, 2315630868 is an apocalyptic number.
It is an amenable number.
315630868 is an abundant number, since it is smaller than the sum of its proper divisors (332694124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315630868 is a wasteful number, since it uses less digits than its factorization.
315630868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304711 (or 304709 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 315630868 is about 17766.0031520880. The cubic root of 315630868 is about 680.8631398038.
The spelling of 315630868 in words is "three hundred fifteen million, six hundred thirty thousand, eight hundred sixty-eight".
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