Base | Representation |
---|---|
bin | 10010110010101… |
… | …110100111011001 |
3 | 210222021021212021 |
4 | 102302232213121 |
5 | 1121203204100 |
6 | 51141414441 |
7 | 10545622033 |
oct | 2262564731 |
9 | 728237767 |
10 | 315288025 |
11 | 151a76618 |
12 | 8970a421 |
13 | 50421580 |
14 | 2dc32c53 |
15 | 1ca2da1a |
hex | 12cae9d9 |
315288025 has 24 divisors (see below), whose sum is σ = 439346880. Its totient is φ = 222699840.
The previous prime is 315288007. The next prime is 315288031. The reversal of 315288025 is 520882513.
It is not a de Polignac number, because 315288025 - 27 = 315287897 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13615 + ... + 28564.
It is an arithmetic number, because the mean of its divisors is an integer number (18306120).
Almost surely, 2315288025 is an apocalyptic number.
It is an amenable number.
315288025 is a deficient number, since it is larger than the sum of its proper divisors (124058855).
315288025 is a wasteful number, since it uses less digits than its factorization.
315288025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42225 (or 42220 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 315288025 is about 17756.3516804551. The cubic root of 315288025 is about 680.6165292278.
The spelling of 315288025 in words is "three hundred fifteen million, two hundred eighty-eight thousand, twenty-five".
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