Base | Representation |
---|---|
bin | 1010101101101… |
… | …00001111101000 |
3 | 20021002201200022 |
4 | 11112310033220 |
5 | 141001222430 |
6 | 12530100012 |
7 | 2140600421 |
oct | 526641750 |
9 | 207081608 |
10 | 89867240 |
11 | 46800651 |
12 | 2611a608 |
13 | 158066a8 |
14 | bd14648 |
15 | 7d524e5 |
hex | 55b43e8 |
89867240 has 32 divisors (see below), whose sum is σ = 204768000. Its totient is φ = 35490624.
The previous prime is 89867237. The next prime is 89867249. The reversal of 89867240 is 4276898.
It is a super-2 number, since 2×898672402 = 16152241650435200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 89867191 and 89867200.
It is not an unprimeable number, because it can be changed into a prime (89867249) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11060 + ... + 17379.
It is an arithmetic number, because the mean of its divisors is an integer number (6399000).
Almost surely, 289867240 is an apocalyptic number.
It is an amenable number.
89867240 is an abundant number, since it is smaller than the sum of its proper divisors (114900760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89867240 is a wasteful number, since it uses less digits than its factorization.
89867240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28529 (or 28525 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 89867240 is about 9479.8333318682. The cubic root of 89867240 is about 447.9200138876.
The spelling of 89867240 in words is "eighty-nine million, eight hundred sixty-seven thousand, two hundred forty".
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