Base | Representation |
---|---|
bin | 10010110001110… |
… | …011100101010111 |
3 | 210221211000011221 |
4 | 102301303211113 |
5 | 1121122434411 |
6 | 51132311211 |
7 | 10543564063 |
oct | 2261634527 |
9 | 727730157 |
10 | 315046231 |
11 | 151920995 |
12 | 89612507 |
13 | 503684b6 |
14 | 2dbacaa3 |
15 | 1c9d2071 |
hex | 12c73957 |
315046231 has 8 divisors (see below), whose sum is σ = 323802864. Its totient is φ = 306302400.
The previous prime is 315046219. The next prime is 315046243. The reversal of 315046231 is 132640513.
It is an interprime number because it is at equal distance from previous prime (315046219) and next prime (315046243).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 315046231 - 27 = 315046103 is a prime.
It is a super-2 number, since 2×3150462312 = 198508255334610722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 315046196 and 315046205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315046031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68556 + ... + 73006.
It is an arithmetic number, because the mean of its divisors is an integer number (40475358).
Almost surely, 2315046231 is an apocalyptic number.
315046231 is a deficient number, since it is larger than the sum of its proper divisors (8756633).
315046231 is a wasteful number, since it uses less digits than its factorization.
315046231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6401.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 315046231 is about 17749.5417123936. The cubic root of 315046231 is about 680.4424967377.
Adding to 315046231 its reverse (132640513), we get a palindrome (447686744).
The spelling of 315046231 in words is "three hundred fifteen million, forty-six thousand, two hundred thirty-one".
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