Base | Representation |
---|---|
bin | 10010100110011… |
… | …001010011110001 |
3 | 210202012001000112 |
4 | 102212121103301 |
5 | 1114341230100 |
6 | 50544231105 |
7 | 10506265262 |
oct | 2246312361 |
9 | 722161015 |
10 | 312055025 |
11 | 150168617 |
12 | 8860b495 |
13 | 4c85bb59 |
14 | 2d630969 |
15 | 1c5e0b35 |
hex | 129994f1 |
312055025 has 6 divisors (see below), whose sum is σ = 386948262. Its totient is φ = 249644000.
The previous prime is 312055013. The next prime is 312055033. The reversal of 312055025 is 520550213.
It can be written as a sum of positive squares in 3 ways, for example, as 15147664 + 296907361 = 3892^2 + 17231^2 .
It is not a de Polignac number, because 312055025 - 218 = 311792881 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6241076 + ... + 6241125.
It is an arithmetic number, because the mean of its divisors is an integer number (64491377).
Almost surely, 2312055025 is an apocalyptic number.
It is an amenable number.
312055025 is a deficient number, since it is larger than the sum of its proper divisors (74893237).
312055025 is a wasteful number, since it uses less digits than its factorization.
312055025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12482211 (or 12482206 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 312055025 is about 17665.0792525819. The cubic root of 312055025 is about 678.2821583552.
The spelling of 312055025 in words is "three hundred twelve million, fifty-five thousand, twenty-five".
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