Base | Representation |
---|---|
bin | 1010101011101… |
… | …11111100000110 |
3 | 20020122011211210 |
4 | 11111313330012 |
5 | 140420321410 |
6 | 12520512250 |
7 | 2135521320 |
oct | 525677406 |
9 | 206564753 |
10 | 89620230 |
11 | 46652007 |
12 | 2601b686 |
13 | 1574b12b |
14 | bc8c610 |
15 | 7d04220 |
hex | 5577f06 |
89620230 has 32 divisors (see below), whose sum is σ = 245816064. Its totient is φ = 20484576.
The previous prime is 89620183. The next prime is 89620231. The reversal of 89620230 is 3202698.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89620231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213172 + ... + 213591.
It is an arithmetic number, because the mean of its divisors is an integer number (7681752).
Almost surely, 289620230 is an apocalyptic number.
89620230 is an abundant number, since it is smaller than the sum of its proper divisors (156195834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89620230 is a wasteful number, since it uses less digits than its factorization.
89620230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426780.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 89620230 is about 9466.7961845600. The cubic root of 89620230 is about 447.5092514967.
The spelling of 89620230 in words is "eighty-nine million, six hundred twenty thousand, two hundred thirty".
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