Base | Representation |
---|---|
bin | 10010110011001… |
… | …101001110001011 |
3 | 210222111122211022 |
4 | 102303031032023 |
5 | 1121221212022 |
6 | 51144223055 |
7 | 10546653362 |
oct | 2263151613 |
9 | 728448738 |
10 | 315413387 |
11 | 152051823 |
12 | 8976aa8b |
13 | 50466653 |
14 | 2dc667d9 |
15 | 1ca55c42 |
hex | 12ccd38b |
315413387 has 2 divisors, whose sum is σ = 315413388. Its totient is φ = 315413386.
The previous prime is 315413383. The next prime is 315413407. The reversal of 315413387 is 783314513.
It is a weak prime.
It is an emirp because it is prime and its reverse (783314513) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 315413387 - 22 = 315413383 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (315413383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157706693 + 157706694.
It is an arithmetic number, because the mean of its divisors is an integer number (157706694).
Almost surely, 2315413387 is an apocalyptic number.
315413387 is a deficient number, since it is larger than the sum of its proper divisors (1).
315413387 is an equidigital number, since it uses as much as digits as its factorization.
315413387 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 30240, while the sum is 35.
The square root of 315413387 is about 17759.8813903697. The cubic root of 315413387 is about 680.7067241570.
The spelling of 315413387 in words is "three hundred fifteen million, four hundred thirteen thousand, three hundred eighty-seven".
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