Base | Representation |
---|---|
bin | 10010110011000… |
… | …111001110001000 |
3 | 210222110102002222 |
4 | 102303013032020 |
5 | 1121214420213 |
6 | 51143513212 |
7 | 10546521620 |
oct | 2263071610 |
9 | 728412088 |
10 | 315388808 |
11 | 152035309 |
12 | 89758808 |
13 | 504583c7 |
14 | 2dc5b880 |
15 | 1ca4d808 |
hex | 12cc7388 |
315388808 has 16 divisors (see below), whose sum is σ = 675833280. Its totient is φ = 135166608.
The previous prime is 315388793. The next prime is 315388817. The reversal of 315388808 is 808883513.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
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, 2815916 + ... + 2816027.
It is an arithmetic number, because the mean of its divisors is an integer number (42239580).
Almost surely, 2315388808 is an apocalyptic number.
It is an amenable number.
315388808 is an abundant number, since it is smaller than the sum of its proper divisors (360444472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315388808 is a wasteful number, since it uses less digits than its factorization.
315388808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5631956 (or 5631952 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 44.
The square root of 315388808 is about 17759.1893959156. The cubic root of 315388808 is about 680.6890420443.
The spelling of 315388808 in words is "three hundred fifteen million, three hundred eighty-eight thousand, eight hundred eight".
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