Base | Representation |
---|---|
bin | 1010101000000… |
… | …00010101010000 |
3 | 20012201021210222 |
4 | 11110000111100 |
5 | 140304132240 |
6 | 12502212212 |
7 | 2131411106 |
oct | 524002520 |
9 | 205637728 |
10 | 89130320 |
11 | 46347a24 |
12 | 25a24068 |
13 | 15609146 |
14 | bba1c76 |
15 | 7c58eb5 |
hex | 5500550 |
89130320 has 40 divisors (see below), whose sum is σ = 219421224. Its totient is φ = 33554432.
The previous prime is 89130319. The next prime is 89130343. The reversal of 89130320 is 2303198.
It can be written as a sum of positive squares in 4 ways, for example, as 51036736 + 38093584 = 7144^2 + 6172^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a zygodrome in base 4.
It is a self number, because there is not a number n which added to its sum of digits gives 89130320.
It is a congruent number.
It is an unprimeable number.
In principle, a polygon with 89130320 sides can be constructed with ruler and compass.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31409 + ... + 34128.
Almost surely, 289130320 is an apocalyptic number.
89130320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
89130320 is an abundant number, since it is smaller than the sum of its proper divisors (130290904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89130320 is a wasteful number, since it uses less digits than its factorization.
89130320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65567 (or 65561 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 89130320 is about 9440.8855516842. The cubic root of 89130320 is about 446.6923229737.
The spelling of 89130320 in words is "eighty-nine million, one hundred thirty thousand, three hundred twenty".
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