Base | Representation |
---|---|
bin | 1010101010010… |
… | …11100001000000 |
3 | 20020021221020121 |
4 | 11111023201000 |
5 | 140344011042 |
6 | 12512550024 |
7 | 2134132660 |
oct | 525134100 |
9 | 206257217 |
10 | 89438272 |
11 | 46538330 |
12 | 25b52314 |
13 | 156b6371 |
14 | bc421a0 |
15 | 7cba367 |
hex | 554b840 |
89438272 has 56 divisors (see below), whose sum is σ = 221284800. Its totient is φ = 34844160.
The previous prime is 89438249. The next prime is 89438273. The reversal of 89438272 is 27283498.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (56).
It is not an unprimeable number, because it can be changed into a prime (89438273) 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, 4147 + ... + 14002.
Almost surely, 289438272 is an apocalyptic number.
It is an amenable number.
89438272 is an abundant number, since it is smaller than the sum of its proper divisors (131846528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89438272 is a wasteful number, since it uses less digits than its factorization.
89438272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18179 (or 18169 counting only the distinct ones).
The product of its digits is 193536, while the sum is 43.
The square root of 89438272 is about 9457.1809753224. The cubic root of 89438272 is about 447.2061835438.
The spelling of 89438272 in words is "eighty-nine million, four hundred thirty-eight thousand, two hundred seventy-two".
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