Base | Representation |
---|---|
bin | 10010100111111… |
… | …000000101000001 |
3 | 210202220202111102 |
4 | 102213320011001 |
5 | 1114441140301 |
6 | 51000424145 |
7 | 10512503060 |
oct | 2247700501 |
9 | 722822442 |
10 | 312443201 |
11 | 150403224 |
12 | 88778055 |
13 | 4c966745 |
14 | 2d6d21d7 |
15 | 1c66ab6b |
hex | 129f8141 |
312443201 has 16 divisors (see below), whose sum is σ = 392217600. Its totient is φ = 242679888.
The previous prime is 312443191. The next prime is 312443213. The reversal of 312443201 is 102344213.
It is a cyclic number.
It is not a de Polignac number, because 312443201 - 26 = 312443137 is a prime.
It is a super-2 number, since 2×3124432012 = 195241507702252802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312443101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48011 + ... + 54128.
It is an arithmetic number, because the mean of its divisors is an integer number (24513600).
Almost surely, 2312443201 is an apocalyptic number.
It is an amenable number.
312443201 is a deficient number, since it is larger than the sum of its proper divisors (79774399).
312443201 is a wasteful number, since it uses less digits than its factorization.
312443201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102188.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 312443201 is about 17676.0629383356. The cubic root of 312443201 is about 678.5632880026.
Adding to 312443201 its reverse (102344213), we get a palindrome (414787414).
The spelling of 312443201 in words is "three hundred twelve million, four hundred forty-three thousand, two hundred one".
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