Base | Representation |
---|---|
bin | 1010101001001… |
… | …10111110101100 |
3 | 20020000022221221 |
4 | 11110212332230 |
5 | 140324213440 |
6 | 12505433124 |
7 | 2132640451 |
oct | 524467654 |
9 | 206008857 |
10 | 89288620 |
11 | 46445953 |
12 | 25a9b7a4 |
13 | 15663205 |
14 | bc03828 |
15 | 7c8ad4a |
hex | 5526fac |
89288620 has 24 divisors (see below), whose sum is σ = 188987904. Its totient is φ = 35433216.
The previous prime is 89288609. The next prime is 89288621. The reversal of 89288620 is 2688298.
It is not an unprimeable number, because it can be changed into a prime (89288621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15037 + ... + 20116.
It is an arithmetic number, because the mean of its divisors is an integer number (7874496).
Almost surely, 289288620 is an apocalyptic number.
It is an amenable number.
89288620 is an abundant number, since it is smaller than the sum of its proper divisors (99699284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89288620 is a wasteful number, since it uses less digits than its factorization.
89288620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35289 (or 35287 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 43.
The square root of 89288620 is about 9449.2655799274. The cubic root of 89288620 is about 446.9566160285.
The spelling of 89288620 in words is "eighty-nine million, two hundred eighty-eight thousand, six hundred twenty".
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