Base | Representation |
---|---|
bin | 10010101001011… |
… | …100101010100001 |
3 | 210210200200122200 |
4 | 102221130222201 |
5 | 1120042331301 |
6 | 51013323413 |
7 | 10516140201 |
oct | 2251345241 |
9 | 723620580 |
10 | 312855201 |
11 | 15066481a |
12 | 88936569 |
13 | 4ca7c129 |
14 | 2d79c401 |
15 | 1c6ecc86 |
hex | 12a5caa1 |
312855201 has 12 divisors (see below), whose sum is σ = 452195328. Its totient is φ = 208434744.
The previous prime is 312855139. The next prime is 312855209. The reversal of 312855201 is 102558213.
It is a happy number.
It is not a de Polignac number, because 312855201 - 27 = 312855073 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (312855209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4516 + ... + 25418.
It is an arithmetic number, because the mean of its divisors is an integer number (37682944).
Almost surely, 2312855201 is an apocalyptic number.
It is an amenable number.
312855201 is a deficient number, since it is larger than the sum of its proper divisors (139340127).
312855201 is a wasteful number, since it uses less digits than its factorization.
312855201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22572 (or 22569 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 312855201 is about 17687.7132778661. The cubic root of 312855201 is about 678.8614171564.
The spelling of 312855201 in words is "three hundred twelve million, eight hundred fifty-five thousand, two hundred one".
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