Base | Representation |
---|---|
bin | 1010101010101… |
… | …11011000010110 |
3 | 20020101101220112 |
4 | 11111113120112 |
5 | 140402034440 |
6 | 12514003022 |
7 | 2134424444 |
oct | 525273026 |
9 | 206341815 |
10 | 89486870 |
11 | 465708a0 |
12 | 25b76472 |
13 | 15702515 |
14 | bc55b94 |
15 | 7cc9965 |
hex | 5557616 |
89486870 has 32 divisors (see below), whose sum is σ = 179815680. Its totient is φ = 31782240.
The previous prime is 89486857. The next prime is 89486879. The reversal of 89486870 is 7868498.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89486879) 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, 4730 + ... + 14189.
It is an arithmetic number, because the mean of its divisors is an integer number (5619240).
Almost surely, 289486870 is an apocalyptic number.
89486870 is an abundant number, since it is smaller than the sum of its proper divisors (90328810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89486870 is a wasteful number, since it uses less digits than its factorization.
89486870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18980.
The product of its (nonzero) digits is 774144, while the sum is 50.
The square root of 89486870 is about 9459.7499966965. The cubic root of 89486870 is about 447.2871682289.
The spelling of 89486870 in words is "eighty-nine million, four hundred eighty-six thousand, eight hundred seventy".
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