Base | Representation |
---|---|
bin | 10000000001101… |
… | …001110001001000 |
3 | 200201220221111021 |
4 | 100001221301020 |
5 | 1022312244210 |
6 | 42402442224 |
7 | 6443226463 |
oct | 2001516110 |
9 | 621827437 |
10 | 268868680 |
11 | 128851023 |
12 | 76063374 |
13 | 4391abc2 |
14 | 279cc2da |
15 | 1890ebda |
hex | 10069c48 |
268868680 has 32 divisors (see below), whose sum is σ = 619027200. Its totient is φ = 105045696.
The previous prime is 268868669. The next prime is 268868707. The reversal of 268868680 is 86868862.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76440 + ... + 79879.
It is an arithmetic number, because the mean of its divisors is an integer number (19344600).
Almost surely, 2268868680 is an apocalyptic number.
268868680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268868680 is an abundant number, since it is smaller than the sum of its proper divisors (350158520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268868680 is a wasteful number, since it uses less digits than its factorization.
268868680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156373 (or 156369 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 52.
The square root of 268868680 is about 16397.2156172931. The cubic root of 268868680 is about 645.4264191455.
The spelling of 268868680 in words is "two hundred sixty-eight million, eight hundred sixty-eight thousand, six hundred eighty".
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