Base | Representation |
---|---|
bin | 10010111000110… |
… | …100111110010011 |
3 | 211002021112011000 |
4 | 102320310332103 |
5 | 1122110340211 |
6 | 51235553043 |
7 | 10565331414 |
oct | 2270647623 |
9 | 732245130 |
10 | 316886931 |
11 | 152968929 |
12 | 8a15b783 |
13 | 5086127a |
14 | 3012b80b |
15 | 1cc47656 |
hex | 12e34f93 |
316886931 has 16 divisors (see below), whose sum is σ = 469876000. Its totient is φ = 211071744.
The previous prime is 316886897. The next prime is 316887001. The reversal of 316886931 is 139688613.
It is a happy number.
It is not a de Polignac number, because 316886931 - 215 = 316854163 is a prime.
It is a super-2 number, since 2×3168869312 = 200834654077197522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (316886431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30495 + ... + 39543.
It is an arithmetic number, because the mean of its divisors is an integer number (29367250).
Almost surely, 2316886931 is an apocalyptic number.
316886931 is a deficient number, since it is larger than the sum of its proper divisors (152989069).
316886931 is a wasteful number, since it uses less digits than its factorization.
316886931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10355 (or 10349 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 316886931 is about 17801.3182377036. The cubic root of 316886931 is about 681.7651164955.
The spelling of 316886931 in words is "three hundred sixteen million, eight hundred eighty-six thousand, nine hundred thirty-one".
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