Base | Representation |
---|---|
bin | 10010110010110… |
… | …111000100100100 |
3 | 210222100001101001 |
4 | 102302313010210 |
5 | 1121210311120 |
6 | 51142243044 |
7 | 10546125022 |
oct | 2262670444 |
9 | 728301331 |
10 | 315322660 |
11 | 151a9a644 |
12 | 89726484 |
13 | 50434273 |
14 | 2dc41712 |
15 | 1ca38e0a |
hex | 12cb7124 |
315322660 has 12 divisors (see below), whose sum is σ = 662177628. Its totient is φ = 126129056.
The previous prime is 315322627. The next prime is 315322661. The reversal of 315322660 is 66223513.
It can be written as a sum of positive squares in 2 ways, for example, as 150405696 + 164916964 = 12264^2 + 12842^2 .
It is not an unprimeable number, because it can be changed into a prime (315322661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883047 + ... + 7883086.
It is an arithmetic number, because the mean of its divisors is an integer number (55181469).
Almost surely, 2315322660 is an apocalyptic number.
It is an amenable number.
315322660 is an abundant number, since it is smaller than the sum of its proper divisors (346854968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315322660 is a wasteful number, since it uses less digits than its factorization.
315322660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15766142 (or 15766140 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
The square root of 315322660 is about 17757.3269384781. The cubic root of 315322660 is about 680.6414506631.
The spelling of 315322660 in words is "three hundred fifteen million, three hundred twenty-two thousand, six hundred sixty".
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