Base | Representation |
---|---|
bin | 1010100111001… |
… | …00001111110100 |
3 | 20012111110000101 |
4 | 11103210033310 |
5 | 140241442114 |
6 | 12455523444 |
7 | 2130421531 |
oct | 523441764 |
9 | 205443011 |
10 | 89015284 |
11 | 46279556 |
12 | 25989584 |
13 | 15598987 |
14 | bb71d88 |
15 | 7c34d74 |
hex | 54e43f4 |
89015284 has 12 divisors (see below), whose sum is σ = 156060324. Its totient is φ = 44426624.
The previous prime is 89015237. The next prime is 89015309. The reversal of 89015284 is 48251098.
It can be written as a sum of positive squares in 2 ways, for example, as 34550884 + 54464400 = 5878^2 + 7380^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17749 + ... + 22204.
It is an arithmetic number, because the mean of its divisors is an integer number (13005027).
Almost surely, 289015284 is an apocalyptic number.
It is an amenable number.
89015284 is a deficient number, since it is larger than the sum of its proper divisors (67045040).
89015284 is a wasteful number, since it uses less digits than its factorization.
89015284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40514 (or 40512 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 89015284 is about 9434.7911476619. The cubic root of 89015284 is about 446.5000658349.
The spelling of 89015284 in words is "eighty-nine million, fifteen thousand, two hundred eighty-four".
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