Base | Representation |
---|---|
bin | 10010110100000… |
… | …100000100110110 |
3 | 210222221002000220 |
4 | 102310010010312 |
5 | 1121300404240 |
6 | 51153115210 |
7 | 10551610416 |
oct | 2264040466 |
9 | 728832026 |
10 | 315638070 |
11 | 152195610 |
12 | 89858b06 |
13 | 505149b7 |
14 | 2dcc4646 |
15 | 1ca9c5d0 |
hex | 12d04136 |
315638070 has 64 divisors (see below), whose sum is σ = 869909760. Its totient is φ = 72489600.
The previous prime is 315638069. The next prime is 315638119. The reversal of 315638070 is 70836513.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18901 + ... + 31440.
It is an arithmetic number, because the mean of its divisors is an integer number (13592340).
Almost surely, 2315638070 is an apocalyptic number.
315638070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
315638070 is an abundant number, since it is smaller than the sum of its proper divisors (554271690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315638070 is a wasteful number, since it uses less digits than its factorization.
315638070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50381.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 315638070 is about 17766.2058414283. The cubic root of 315638070 is about 680.8683183627.
The spelling of 315638070 in words is "three hundred fifteen million, six hundred thirty-eight thousand, seventy".
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