Base | Representation |
---|---|
bin | 1010101100100… |
… | …10111000011110 |
3 | 20020211210020012 |
4 | 11112102320132 |
5 | 140432334330 |
6 | 12523123222 |
7 | 2136461135 |
oct | 526227036 |
9 | 206753205 |
10 | 89730590 |
11 | 46717a14 |
12 | 26073512 |
13 | 15789431 |
14 | bcba91c |
15 | 7d26c95 |
hex | 5592e1e |
89730590 has 64 divisors (see below), whose sum is σ = 182238336. Its totient is φ = 31629312.
The previous prime is 89730583. The next prime is 89730593. The reversal of 89730590 is 9503798.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89730593) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207014 + ... + 207446.
It is an arithmetic number, because the mean of its divisors is an integer number (2847474).
Almost surely, 289730590 is an apocalyptic number.
89730590 is an abundant number, since it is smaller than the sum of its proper divisors (92507746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89730590 is a wasteful number, since it uses less digits than its factorization.
89730590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 533.
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 89730590 is about 9472.6231847361. The cubic root of 89730590 is about 447.6928665234.
The spelling of 89730590 in words is "eighty-nine million, seven hundred thirty thousand, five hundred ninety".
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