Base | Representation |
---|---|
bin | 1010101101101… |
… | …00111000101011 |
3 | 20021002212021121 |
4 | 11112310320223 |
5 | 141001313432 |
6 | 12530120111 |
7 | 2140611163 |
oct | 526647053 |
9 | 207085247 |
10 | 89869867 |
11 | 4680261a |
12 | 26120037 |
13 | 15807949 |
14 | bd155a3 |
15 | 7d53197 |
hex | 55b4e2b |
89869867 has 12 divisors (see below), whose sum is σ = 95463360. Its totient is φ = 84588912.
The previous prime is 89869841. The next prime is 89869873. The reversal of 89869867 is 76896898.
It is a de Polignac number, because none of the positive numbers 2k-89869867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89869067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61734 + ... + 63172.
It is an arithmetic number, because the mean of its divisors is an integer number (7955280).
Almost surely, 289869867 is an apocalyptic number.
89869867 is a deficient number, since it is larger than the sum of its proper divisors (5593493).
89869867 is a wasteful number, since it uses less digits than its factorization.
89869867 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1650 (or 1631 counting only the distinct ones).
The product of its digits is 10450944, while the sum is 61.
The square root of 89869867 is about 9479.9718881440. The cubic root of 89869867 is about 447.9243783791.
The spelling of 89869867 in words is "eighty-nine million, eight hundred sixty-nine thousand, eight hundred sixty-seven".
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