Base | Representation |
---|---|
bin | 10010100111101… |
… | …100000110000011 |
3 | 210202211021011102 |
4 | 102213230012003 |
5 | 1114433102430 |
6 | 50555405015 |
7 | 10512210005 |
oct | 2247540603 |
9 | 722737142 |
10 | 312394115 |
11 | 15037a360 |
12 | 8875376b |
13 | 4c94a2b7 |
14 | 2d6bc375 |
15 | 1c65b345 |
hex | 129ec183 |
312394115 has 16 divisors (see below), whose sum is σ = 415660896. Its totient is φ = 223468800.
The previous prime is 312394039. The next prime is 312394127. The reversal of 312394115 is 511493213.
It is not a de Polignac number, because 312394115 - 28 = 312393859 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 43202 + ... + 49911.
It is an arithmetic number, because the mean of its divisors is an integer number (25978806).
Almost surely, 2312394115 is an apocalyptic number.
312394115 is a deficient number, since it is larger than the sum of its proper divisors (103266781).
312394115 is a wasteful number, since it uses less digits than its factorization.
312394115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93190.
The product of its digits is 3240, while the sum is 29.
The square root of 312394115 is about 17674.6743958694. The cubic root of 312394115 is about 678.5277511948.
The spelling of 312394115 in words is "three hundred twelve million, three hundred ninety-four thousand, one hundred fifteen".
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