Base | Representation |
---|---|
bin | 1010100111010… |
… | …11000010001001 |
3 | 20012112212010220 |
4 | 11103223002021 |
5 | 140243334311 |
6 | 12500300253 |
7 | 2130565551 |
oct | 523530211 |
9 | 205485126 |
10 | 89043081 |
11 | 46298426 |
12 | 259a1689 |
13 | 155a851a |
14 | bb7c161 |
15 | 7c3d206 |
hex | 54eb089 |
89043081 has 16 divisors (see below), whose sum is σ = 120331200. Its totient is φ = 58563648.
The previous prime is 89043077. The next prime is 89043091. The reversal of 89043081 is 18034098.
It is not a de Polignac number, because 89043081 - 22 = 89043077 is a prime.
It is a super-2 number, since 2×890430812 = 15857340547945122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (89043001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103230 + ... + 104088.
It is an arithmetic number, because the mean of its divisors is an integer number (7520700).
Almost surely, 289043081 is an apocalyptic number.
It is an amenable number.
89043081 is a deficient number, since it is larger than the sum of its proper divisors (31288119).
89043081 is a wasteful number, since it uses less digits than its factorization.
89043081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1288.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 89043081 is about 9436.2641442469. The cubic root of 89043081 is about 446.5465375197.
The spelling of 89043081 in words is "eighty-nine million, forty-three thousand, eighty-one".
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