Base | Representation |
---|---|
bin | 1010101010010… |
… | …01110001010101 |
3 | 20020021120102220 |
4 | 11111021301111 |
5 | 140343244000 |
6 | 12512452553 |
7 | 2134103100 |
oct | 525116125 |
9 | 206246386 |
10 | 89431125 |
11 | 46532a23 |
12 | 25b4a159 |
13 | 156b3034 |
14 | bc3d737 |
15 | 7cb81a0 |
hex | 5549c55 |
89431125 has 96 divisors (see below), whose sum is σ = 179831808. Its totient is φ = 39312000.
The previous prime is 89431093. The next prime is 89431163. The reversal of 89431125 is 52113498.
It is not a de Polignac number, because 89431125 - 25 = 89431093 is a prime.
It is a super-2 number, since 2×894311252 = 15995852237531250, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 569547 + ... + 569703.
It is an arithmetic number, because the mean of its divisors is an integer number (1873248).
Almost surely, 289431125 is an apocalyptic number.
It is an amenable number.
89431125 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
89431125 is a wasteful number, since it uses less digits than its factorization.
89431125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220 (or 203 counting only the distinct ones).
The product of its digits is 8640, while the sum is 33.
The square root of 89431125 is about 9456.8031067586. The cubic root of 89431125 is about 447.1942711650.
The spelling of 89431125 in words is "eighty-nine million, four hundred thirty-one thousand, one hundred twenty-five".
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