Base | Representation |
---|---|
bin | 1010100111111… |
… | …10000100111000 |
3 | 20012200211010202 |
4 | 11103332010320 |
5 | 140303333310 |
6 | 12502101332 |
7 | 2131342136 |
oct | 523760470 |
9 | 205624122 |
10 | 89121080 |
11 | 46340a94 |
12 | 25a1a848 |
13 | 15604b89 |
14 | bb9c756 |
15 | 7c563a5 |
hex | 54fe138 |
89121080 has 16 divisors (see below), whose sum is σ = 200522520. Its totient is φ = 35648416.
The previous prime is 89121073. The next prime is 89121091. The reversal of 89121080 is 8012198.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113974 + ... + 1114053.
Almost surely, 289121080 is an apocalyptic number.
It is an amenable number.
89121080 is an abundant number, since it is smaller than the sum of its proper divisors (111401440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89121080 is a wasteful number, since it uses less digits than its factorization.
89121080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2228038 (or 2228034 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 29.
The square root of 89121080 is about 9440.3961781273. The cubic root of 89121080 is about 446.6768864769.
The spelling of 89121080 in words is "eighty-nine million, one hundred twenty-one thousand, eighty".
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