Base | Representation |
---|---|
bin | 11110100101010… |
… | …010110100000100 |
3 | 1022202110211002120 |
4 | 132211102310010 |
5 | 2022322432433 |
6 | 122525205540 |
7 | 15500134401 |
oct | 3645226404 |
9 | 1282424076 |
10 | 513092868 |
11 | 24369a2a2 |
12 | 123a008b0 |
13 | 823ba662 |
14 | 4c2032a8 |
15 | 300a27b3 |
hex | 1e952d04 |
513092868 has 24 divisors (see below), whose sum is σ = 1197723072. Its totient is φ = 170958624.
The previous prime is 513092863. The next prime is 513092933. The reversal of 513092868 is 868290315.
It is not an unprimeable number, because it can be changed into a prime (513092863) by changing a digit.
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, 25921 + ... + 41207.
It is an arithmetic number, because the mean of its divisors is an integer number (49905128).
Almost surely, 2513092868 is an apocalyptic number.
It is an amenable number.
513092868 is an abundant number, since it is smaller than the sum of its proper divisors (684630204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
513092868 is a wasteful number, since it uses less digits than its factorization.
513092868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18091 (or 18089 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 42.
The square root of 513092868 is about 22651.5533242204. The cubic root of 513092868 is about 800.5687975741.
The spelling of 513092868 in words is "five hundred thirteen million, ninety-two thousand, eight hundred sixty-eight".
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