Base | Representation |
---|---|
bin | 10010101000000… |
… | …100100011101001 |
3 | 210210000100121110 |
4 | 102220010203221 |
5 | 1114444304223 |
6 | 51001500533 |
7 | 10513105065 |
oct | 2250044351 |
9 | 723010543 |
10 | 312494313 |
11 | 15043866a |
12 | 887a1749 |
13 | 4c983aa1 |
14 | 2d706aa5 |
15 | 1c67ad93 |
hex | 12a048e9 |
312494313 has 8 divisors (see below), whose sum is σ = 416851488. Its totient is φ = 208233344.
The previous prime is 312494293. The next prime is 312494317. The reversal of 312494313 is 313494213.
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 312494313 - 28 = 312494057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (312494317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16095 + ... + 29732.
It is an arithmetic number, because the mean of its divisors is an integer number (52106436).
Almost surely, 2312494313 is an apocalyptic number.
It is an amenable number.
312494313 is a deficient number, since it is larger than the sum of its proper divisors (104357175).
312494313 is a wasteful number, since it uses less digits than its factorization.
312494313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48103.
The product of its digits is 7776, while the sum is 30.
The square root of 312494313 is about 17677.5086762813. The cubic root of 312494313 is about 678.6002876190.
The spelling of 312494313 in words is "three hundred twelve million, four hundred ninety-four thousand, three hundred thirteen".
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