Base | Representation |
---|---|
bin | 10010101100011… |
… | …001110001110000 |
3 | 210212011001012211 |
4 | 102230121301300 |
5 | 1120242123213 |
6 | 51042101504 |
7 | 10525544422 |
oct | 2254316160 |
9 | 725131184 |
10 | 313629808 |
11 | 151043798 |
12 | 8904a894 |
13 | 4cc9088b |
14 | 2d920812 |
15 | 1c80253d |
hex | 12b19c70 |
313629808 has 20 divisors (see below), whose sum is σ = 639640360. Its totient is φ = 148561344.
The previous prime is 313629793. The next prime is 313629839. The reversal of 313629808 is 808926313.
It is a super-2 number, since 2×3136298082 = 196727312932233728, which contains 22 as substring.
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 3 ways as a sum of consecutive naturals, for example, 515535 + ... + 516142.
It is an arithmetic number, because the mean of its divisors is an integer number (31982018).
Almost surely, 2313629808 is an apocalyptic number.
313629808 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
313629808 is an abundant number, since it is smaller than the sum of its proper divisors (326010552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313629808 is a wasteful number, since it uses less digits than its factorization.
313629808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1031704 (or 1031698 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 313629808 is about 17709.5964945563. The cubic root of 313629808 is about 679.4212260930.
The spelling of 313629808 in words is "three hundred thirteen million, six hundred twenty-nine thousand, eight hundred eight".
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