Base | Representation |
---|---|
bin | 10010101011001… |
… | …100111111010111 |
3 | 210211120001202220 |
4 | 102223030333113 |
5 | 1120202042122 |
6 | 51031233423 |
7 | 10523064435 |
oct | 2253147727 |
9 | 724501686 |
10 | 313315287 |
11 | 15094945a |
12 | 88b18873 |
13 | 4cbb067c |
14 | 2d87bd55 |
15 | 1c78e25c |
hex | 12accfd7 |
313315287 has 8 divisors (see below), whose sum is σ = 442327536. Its totient is φ = 196589952.
The previous prime is 313315279. The next prime is 313315307. The reversal of 313315287 is 782513313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 313315287 - 23 = 313315279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313315237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071668 + ... + 3071769.
It is an arithmetic number, because the mean of its divisors is an integer number (55290942).
Almost surely, 2313315287 is an apocalyptic number.
313315287 is a deficient number, since it is larger than the sum of its proper divisors (129012249).
313315287 is a wasteful number, since it uses less digits than its factorization.
313315287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6143457.
The product of its digits is 15120, while the sum is 33.
The square root of 313315287 is about 17700.7143076205. The cubic root of 313315287 is about 679.1940328533.
The spelling of 313315287 in words is "three hundred thirteen million, three hundred fifteen thousand, two hundred eighty-seven".
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