Base | Representation |
---|---|
bin | 10010110011010… |
… | …001011001011010 |
3 | 210222112112021202 |
4 | 102303101121122 |
5 | 1121222233430 |
6 | 51144434202 |
7 | 10550054264 |
oct | 2263213132 |
9 | 728475252 |
10 | 315430490 |
11 | 152063661 |
12 | 89778962 |
13 | 5047137b |
14 | 2dc6cb34 |
15 | 1ca5ad45 |
hex | 12cd165a |
315430490 has 16 divisors (see below), whose sum is σ = 570660552. Its totient is φ = 125530944.
The previous prime is 315430469. The next prime is 315430519. The reversal of 315430490 is 94034513.
It can be written as a sum of positive squares in 4 ways, for example, as 292033921 + 23396569 = 17089^2 + 4837^2 .
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, 78089 + ... + 82028.
Almost surely, 2315430490 is an apocalyptic number.
315430490 is a deficient number, since it is larger than the sum of its proper divisors (255230062).
315430490 is a wasteful number, since it uses less digits than its factorization.
315430490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160321.
The product of its (nonzero) digits is 6480, while the sum is 29.
The square root of 315430490 is about 17760.3628904367. The cubic root of 315430490 is about 680.7190274994.
The spelling of 315430490 in words is "three hundred fifteen million, four hundred thirty thousand, four hundred ninety".
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