Base | Representation |
---|---|
bin | 1010101110001… |
… | …01101110111011 |
3 | 20021020100221110 |
4 | 11113011232323 |
5 | 141011021000 |
6 | 12531411403 |
7 | 2141316315 |
oct | 527055673 |
9 | 207210843 |
10 | 89938875 |
11 | 4684a454 |
12 | 26153b63 |
13 | 15830190 |
14 | bd327b5 |
15 | 7d68850 |
hex | 55c5bbb |
89938875 has 64 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 41904000.
The previous prime is 89938873. The next prime is 89938903. The reversal of 89938875 is 57883998.
It is not a de Polignac number, because 89938875 - 21 = 89938873 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is not an unprimeable number, because it can be changed into a prime (89938873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92140 + ... + 93110.
It is an arithmetic number, because the mean of its divisors is an integer number (2653560).
Almost surely, 289938875 is an apocalyptic number.
89938875 is a deficient number, since it is larger than the sum of its proper divisors (79888965).
89938875 is a wasteful number, since it uses less digits than its factorization.
89938875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021 (or 1011 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 57.
The square root of 89938875 is about 9483.6108629572. The cubic root of 89938875 is about 448.0389976549.
The spelling of 89938875 in words is "eighty-nine million, nine hundred thirty-eight thousand, eight hundred seventy-five".
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