Base | Representation |
---|---|
bin | 1010101010110… |
… | …00001011101111 |
3 | 20020101120102100 |
4 | 11111120023233 |
5 | 140402141114 |
6 | 12514030143 |
7 | 2134440153 |
oct | 525301357 |
9 | 206346370 |
10 | 89490159 |
11 | 46573310 |
12 | 25b78353 |
13 | 15703b75 |
14 | bc57063 |
15 | 7cca909 |
hex | 55582ef |
89490159 has 24 divisors (see below), whose sum is σ = 149312592. Its totient is φ = 51045120.
The previous prime is 89490139. The next prime is 89490179. The reversal of 89490159 is 95109498.
89490159 is a `hidden beast` number, since 8 + 9 + 490 + 159 = 666.
It is an interprime number because it is at equal distance from previous prime (89490139) and next prime (89490179).
It is not a de Polignac number, because 89490159 - 25 = 89490127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89490119) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24904 + ... + 28269.
It is an arithmetic number, because the mean of its divisors is an integer number (6221358).
Almost surely, 289490159 is an apocalyptic number.
89490159 is a deficient number, since it is larger than the sum of its proper divisors (59822433).
89490159 is a wasteful number, since it uses less digits than its factorization.
89490159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53207 (or 53204 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 45.
The square root of 89490159 is about 9459.9238369027. The cubic root of 89490159 is about 447.2926480253.
The spelling of 89490159 in words is "eighty-nine million, four hundred ninety thousand, one hundred fifty-nine".
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