Base | Representation |
---|---|
bin | 1010101010111… |
… | …10111111111000 |
3 | 20020102222201011 |
4 | 11111132333320 |
5 | 140404034242 |
6 | 12514403304 |
7 | 2134614430 |
oct | 525367770 |
9 | 206388634 |
10 | 89518072 |
11 | 46592286 |
12 | 25b90534 |
13 | 15713797 |
14 | bc632c0 |
15 | 7cd3d17 |
hex | 555eff8 |
89518072 has 32 divisors (see below), whose sum is σ = 192330720. Its totient is φ = 38263680.
The previous prime is 89518067. The next prime is 89518081. The reversal of 89518072 is 27081598.
It is a congruent 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, 21678 + ... + 25474.
It is an arithmetic number, because the mean of its divisors is an integer number (6010335).
Almost surely, 289518072 is an apocalyptic number.
It is an amenable number.
89518072 is an abundant number, since it is smaller than the sum of its proper divisors (102812648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89518072 is a wasteful number, since it uses less digits than its factorization.
89518072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4231 (or 4227 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 40.
The square root of 89518072 is about 9461.3990508804. The cubic root of 89518072 is about 447.3391484150.
The spelling of 89518072 in words is "eighty-nine million, five hundred eighteen thousand, seventy-two".
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