Base | Representation |
---|---|
bin | 1010101100100… |
… | …01100011110000 |
3 | 20020211111210101 |
4 | 11112101203300 |
5 | 140432201133 |
6 | 12523042144 |
7 | 2136436261 |
oct | 526214360 |
9 | 206744711 |
10 | 89725168 |
11 | 46713935 |
12 | 26070354 |
13 | 15786b20 |
14 | bcb8968 |
15 | 7d2537d |
hex | 55918f0 |
89725168 has 40 divisors (see below), whose sum is σ = 189112896. Its totient is φ = 40992000.
The previous prime is 89725151. The next prime is 89725169. The reversal of 89725168 is 86152798.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89725169) 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, 18873 + ... + 23143.
Almost surely, 289725168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89725168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94556448).
89725168 is an abundant number, since it is smaller than the sum of its proper divisors (99387728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89725168 is a wasteful number, since it uses less digits than its factorization.
89725168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4393 (or 4387 counting only the distinct ones).
The product of its digits is 241920, while the sum is 46.
The square root of 89725168 is about 9472.3369872487. The cubic root of 89725168 is about 447.6838490129.
The spelling of 89725168 in words is "eighty-nine million, seven hundred twenty-five thousand, one hundred sixty-eight".
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