Base | Representation |
---|---|
bin | 10010111011110… |
… | …011110010100000 |
3 | 211010202020021110 |
4 | 102323303302200 |
5 | 1122310343022 |
6 | 51304423320 |
7 | 10605065160 |
oct | 2273636240 |
9 | 733666243 |
10 | 317668512 |
11 | 153352067 |
12 | 8a477b40 |
13 | 50a75c45 |
14 | 302925a0 |
15 | 1cd4e00c |
hex | 12ef3ca0 |
317668512 has 48 divisors (see below), whose sum is σ = 953007552. Its totient is φ = 90762240.
The previous prime is 317668499. The next prime is 317668513. The reversal of 317668512 is 215866713.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (317668513) 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, 235689 + ... + 237032.
It is an arithmetic number, because the mean of its divisors is an integer number (19854324).
Almost surely, 2317668512 is an apocalyptic number.
317668512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
317668512 is an abundant number, since it is smaller than the sum of its proper divisors (635339040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317668512 is a wasteful number, since it uses less digits than its factorization.
317668512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 472741 (or 472733 counting only the distinct ones).
The product of its digits is 60480, while the sum is 39.
The square root of 317668512 is about 17823.2576147011. The cubic root of 317668512 is about 682.3251660747.
The spelling of 317668512 in words is "three hundred seventeen million, six hundred sixty-eight thousand, five hundred twelve".
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