Base | Representation |
---|---|
bin | 10010010101101… |
… | …110000011110000 |
3 | 210102221221111201 |
4 | 102111232003300 |
5 | 1112231333233 |
6 | 50310420544 |
7 | 10424160433 |
oct | 2225560360 |
9 | 712857451 |
10 | 307683568 |
11 | 148752245 |
12 | 87061754 |
13 | 4b98b1aa |
14 | 2cc1381a |
15 | 1c02a77d |
hex | 1256e0f0 |
307683568 has 40 divisors (see below), whose sum is σ = 628776720. Its totient is φ = 145451520.
The previous prime is 307683559. The next prime is 307683577. The reversal of 307683568 is 865386703.
It is an interprime number because it is at equal distance from previous prime (307683559) and next prime (307683577).
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 7 ways as a sum of consecutive naturals, for example, 259938 + ... + 261118.
It is an arithmetic number, because the mean of its divisors is an integer number (15719418).
Almost surely, 2307683568 is an apocalyptic number.
307683568 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
307683568 is an abundant number, since it is smaller than the sum of its proper divisors (321093152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307683568 is a wasteful number, since it uses less digits than its factorization.
307683568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2065 (or 2059 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 46.
The square root of 307683568 is about 17540.9112648118. The cubic root of 307683568 is about 675.0999892114.
The spelling of 307683568 in words is "three hundred seven million, six hundred eighty-three thousand, five hundred sixty-eight".
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