Base | Representation |
---|---|
bin | 1010101100100… |
… | …01111110010100 |
3 | 20020211121010100 |
4 | 11112101332110 |
5 | 140432224433 |
6 | 12523054100 |
7 | 2136444240 |
oct | 526217624 |
9 | 206747110 |
10 | 89726868 |
11 | 46715140 |
12 | 26071330 |
13 | 1578782a |
14 | bcb9420 |
15 | 7d25b13 |
hex | 5591f94 |
89726868 has 72 divisors (see below), whose sum is σ = 282784320. Its totient is φ = 23304960.
The previous prime is 89726851. The next prime is 89726891. The reversal of 89726868 is 86862798.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13413 + ... + 18956.
It is an arithmetic number, because the mean of its divisors is an integer number (3927560).
Almost surely, 289726868 is an apocalyptic number.
It is an amenable number.
89726868 is an abundant number, since it is smaller than the sum of its proper divisors (193057452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89726868 is a wasteful number, since it uses less digits than its factorization.
89726868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32397 (or 32392 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 54.
The square root of 89726868 is about 9472.4267218068. The cubic root of 89726868 is about 447.6866763792.
The spelling of 89726868 in words is "eighty-nine million, seven hundred twenty-six thousand, eight hundred sixty-eight".
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