Base | Representation |
---|---|
bin | 10010110010010… |
… | …000010101111111 |
3 | 210222000222202220 |
4 | 102302100111333 |
5 | 1121140222111 |
6 | 51135020423 |
7 | 10544564400 |
oct | 2262202577 |
9 | 728028686 |
10 | 315164031 |
11 | 1519a1446 |
12 | 8966a713 |
13 | 503a9cc0 |
14 | 2dbdd9a7 |
15 | 1ca06e06 |
hex | 12c9057f |
315164031 has 48 divisors (see below), whose sum is σ = 533038464. Its totient is φ = 164154816.
The previous prime is 315164027. The next prime is 315164099. The reversal of 315164031 is 130461513.
It is not a de Polignac number, because 315164031 - 22 = 315164027 is a prime.
It is a super-2 number, since 2×3151640312 = 198656732872337922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 315163992 and 315164010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315164231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157620 + ... + 159606.
It is an arithmetic number, because the mean of its divisors is an integer number (11104968).
Almost surely, 2315164031 is an apocalyptic number.
315164031 is a deficient number, since it is larger than the sum of its proper divisors (217874433).
315164031 is a wasteful number, since it uses less digits than its factorization.
315164031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2100 (or 2093 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 315164031 is about 17752.8597977903. The cubic root of 315164031 is about 680.5272950200.
The spelling of 315164031 in words is "three hundred fifteen million, one hundred sixty-four thousand, thirty-one".
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