Base | Representation |
---|---|
bin | 1010101001111… |
… | …10111110000100 |
3 | 20020012022202100 |
4 | 11110332332010 |
5 | 140340340014 |
6 | 12511512100 |
7 | 2133530106 |
oct | 524767604 |
9 | 206168670 |
10 | 89386884 |
11 | 46502764 |
12 | 25b28630 |
13 | 15698b62 |
14 | bc2b576 |
15 | 7caa009 |
hex | 553ef84 |
89386884 has 36 divisors (see below), whose sum is σ = 239243004. Its totient is φ = 28042752.
The previous prime is 89386879. The next prime is 89386889. The reversal of 89386884 is 48868398.
It is an interprime number because it is at equal distance from previous prime (89386879) and next prime (89386889).
It can be written as a sum of positive squares in 2 ways, for example, as 59444100 + 29942784 = 7710^2 + 5472^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a self number, because there is not a number n which added to its sum of digits gives 89386884.
It is not an unprimeable number, because it can be changed into a prime (89386889) 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, 72417 + ... + 73640.
It is an arithmetic number, because the mean of its divisors is an integer number (6645639).
Almost surely, 289386884 is an apocalyptic number.
It is an amenable number.
89386884 is an abundant number, since it is smaller than the sum of its proper divisors (149856120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89386884 is a wasteful number, since it uses less digits than its factorization.
89386884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146084 (or 146079 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 54.
The square root of 89386884 is about 9454.4637076886. The cubic root of 89386884 is about 447.1205176292.
The spelling of 89386884 in words is "eighty-nine million, three hundred eighty-six thousand, eight hundred eighty-four".
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