Base | Representation |
---|---|
bin | 10010110011011… |
… | …001101101000000 |
3 | 210222121020221211 |
4 | 102303121231000 |
5 | 1121224331022 |
6 | 51145255504 |
7 | 10550255416 |
oct | 2263315500 |
9 | 728536854 |
10 | 315464512 |
11 | 152087180 |
12 | 89794594 |
13 | 504839bc |
14 | 2dc7b2b6 |
15 | 1ca65e77 |
hex | 12cd9b40 |
315464512 has 112 divisors (see below), whose sum is σ = 741102912. Its totient is φ = 131604480.
The previous prime is 315464453. The next prime is 315464521. The reversal of 315464512 is 215464513.
It is a happy number.
It is a congruent 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, 514318 + ... + 514930.
Almost surely, 2315464512 is an apocalyptic number.
315464512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 315464512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370551456).
315464512 is an abundant number, since it is smaller than the sum of its proper divisors (425638400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315464512 is a wasteful number, since it uses less digits than its factorization.
315464512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696 (or 686 counting only the distinct ones).
The product of its digits is 14400, while the sum is 31.
The square root of 315464512 is about 17761.3206716167. The cubic root of 315464512 is about 680.7435004983.
Subtracting from 315464512 its reverse (215464513), we obtain a palindrome (99999999).
The spelling of 315464512 in words is "three hundred fifteen million, four hundred sixty-four thousand, five hundred twelve".
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