Base | Representation |
---|---|
bin | 10010110101011… |
… | …100111010001011 |
3 | 211000121120011020 |
4 | 102311130322023 |
5 | 1121344030211 |
6 | 51205003523 |
7 | 10554654300 |
oct | 2265347213 |
9 | 730546136 |
10 | 316001931 |
11 | 152413a23 |
12 | 899b35a3 |
13 | 506114bb |
14 | 2dd7b0a7 |
15 | 1cb20306 |
hex | 12d5ce8b |
316001931 has 24 divisors (see below), whose sum is σ = 490835664. Its totient is φ = 180311040.
The previous prime is 316001929. The next prime is 316001947. The reversal of 316001931 is 139100613.
It is not a de Polignac number, because 316001931 - 21 = 316001929 is a prime.
It is a super-2 number, since 2×3160019312 = 199714440791457522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (316001921) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150811 + ... + 152891.
It is an arithmetic number, because the mean of its divisors is an integer number (20451486).
Almost surely, 2316001931 is an apocalyptic number.
316001931 is a deficient number, since it is larger than the sum of its proper divisors (174833733).
316001931 is a wasteful number, since it uses less digits than its factorization.
316001931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3131 (or 3124 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 24.
The square root of 316001931 is about 17776.4431481666. The cubic root of 316001931 is about 681.1298481702.
The spelling of 316001931 in words is "three hundred sixteen million, one thousand, nine hundred thirty-one".
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