Base | Representation |
---|---|
bin | 10010110001110… |
… | …010010111001001 |
3 | 210221210202022112 |
4 | 102301302113021 |
5 | 1121122304400 |
6 | 51132232105 |
7 | 10543543352 |
oct | 2261622711 |
9 | 727722275 |
10 | 315041225 |
11 | 151918154 |
12 | 8960b635 |
13 | 50366135 |
14 | 2dbaad29 |
15 | 1c9d0835 |
hex | 12c725c9 |
315041225 has 12 divisors (see below), whose sum is σ = 392279580. Its totient is φ = 250982400.
The previous prime is 315041219. The next prime is 315041231. The reversal of 315041225 is 522140513.
It is an interprime number because it is at equal distance from previous prime (315041219) and next prime (315041231).
It can be written as a sum of positive squares in 6 ways, for example, as 652864 + 314388361 = 808^2 + 17731^2 .
It is not a de Polignac number, because 315041225 - 220 = 313992649 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 315041225.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20120 + ... + 32169.
It is an arithmetic number, because the mean of its divisors is an integer number (32689965).
Almost surely, 2315041225 is an apocalyptic number.
It is an amenable number.
315041225 is a deficient number, since it is larger than the sum of its proper divisors (77238355).
315041225 is a wasteful number, since it uses less digits than its factorization.
315041225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52540 (or 52535 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 315041225 is about 17749.4006941080. The cubic root of 315041225 is about 680.4388927024.
Adding to 315041225 its reverse (522140513), we get a palindrome (837181738).
The spelling of 315041225 in words is "three hundred fifteen million, forty-one thousand, two hundred twenty-five".
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