Base | Representation |
---|---|
bin | 10010110011011… |
… | …001010111011011 |
3 | 210222121012001200 |
4 | 102303121113123 |
5 | 1121224310011 |
6 | 51145245243 |
7 | 10550251404 |
oct | 2263312733 |
9 | 728535050 |
10 | 315463131 |
11 | 152086135 |
12 | 89793823 |
13 | 50483199 |
14 | 2dc7a9ab |
15 | 1ca65856 |
hex | 12cd95db |
315463131 has 24 divisors (see below), whose sum is σ = 473316480. Its totient is φ = 202223616.
The previous prime is 315463129. The next prime is 315463171. The reversal of 315463131 is 131364513.
It is not a de Polignac number, because 315463131 - 21 = 315463129 is a prime.
It is a super-2 number, since 2×3154631312 = 199033974040646322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 315463095 and 315463104.
It is not an unprimeable number, because it can be changed into a prime (315463171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64726 + ... + 69428.
It is an arithmetic number, because the mean of its divisors is an integer number (19721520).
Almost surely, 2315463131 is an apocalyptic number.
315463131 is a deficient number, since it is larger than the sum of its proper divisors (157853349).
315463131 is a wasteful number, since it uses less digits than its factorization.
315463131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4995 (or 4992 counting only the distinct ones).
The product of its digits is 3240, while the sum is 27.
The square root of 315463131 is about 17761.2817949606. The cubic root of 315463131 is about 680.7425071398.
The spelling of 315463131 in words is "three hundred fifteen million, four hundred sixty-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •