Base | Representation |
---|---|
bin | 10010110010111… |
… | …100001000010011 |
3 | 210222101002210102 |
4 | 102302330020103 |
5 | 1121211442004 |
6 | 51142523015 |
7 | 10546242311 |
oct | 2262741023 |
9 | 728332712 |
10 | 315343379 |
11 | 15200416a |
12 | 8973646b |
13 | 50440820 |
14 | 2dc490b1 |
15 | 1ca4011e |
hex | 12cbc213 |
315343379 has 4 divisors (see below), whose sum is σ = 339600576. Its totient is φ = 291086184.
The previous prime is 315343367. The next prime is 315343393. The reversal of 315343379 is 973343513.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-315343379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315343349) 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 3 ways as a sum of consecutive naturals, for example, 12128579 + ... + 12128604.
It is an arithmetic number, because the mean of its divisors is an integer number (84900144).
Almost surely, 2315343379 is an apocalyptic number.
315343379 is a deficient number, since it is larger than the sum of its proper divisors (24257197).
315343379 is a wasteful number, since it uses less digits than its factorization.
315343379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24257196.
The product of its digits is 102060, while the sum is 38.
The square root of 315343379 is about 17757.9103218819. The cubic root of 315343379 is about 680.6563580401.
The spelling of 315343379 in words is "three hundred fifteen million, three hundred forty-three thousand, three hundred seventy-nine".
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