Base | Representation |
---|---|
bin | 1010100111110… |
… | …11001011011010 |
3 | 20012200012212010 |
4 | 11103323023122 |
5 | 140302443320 |
6 | 12501530350 |
7 | 2131262421 |
oct | 523731332 |
9 | 205605763 |
10 | 89109210 |
11 | 46333083 |
12 | 25a139b6 |
13 | 155cc658 |
14 | bb982b8 |
15 | 7c52ae0 |
hex | 54fb2da |
89109210 has 32 divisors (see below), whose sum is σ = 214179840. Its totient is φ = 23727168.
The previous prime is 89109197. The next prime is 89109233. The reversal of 89109210 is 1290198.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23079 + ... + 26661.
It is an arithmetic number, because the mean of its divisors is an integer number (6693120).
Almost surely, 289109210 is an apocalyptic number.
89109210 is an abundant number, since it is smaller than the sum of its proper divisors (125070630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89109210 is a wasteful number, since it uses less digits than its factorization.
89109210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4422.
The product of its (nonzero) digits is 1296, while the sum is 30.
The square root of 89109210 is about 9439.7674759498. The cubic root of 89109210 is about 446.6570546928.
The spelling of 89109210 in words is "eighty-nine million, one hundred nine thousand, two hundred ten".
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