Base | Representation |
---|---|
bin | 1010100111000… |
… | …00100010000110 |
3 | 20012110200010220 |
4 | 11103200202012 |
5 | 140241000240 |
6 | 12455325210 |
7 | 2130326265 |
oct | 523404206 |
9 | 205420126 |
10 | 89000070 |
11 | 46269085 |
12 | 25980806 |
13 | 15591a83 |
14 | bb6a5dc |
15 | 7c305d0 |
hex | 54e0886 |
89000070 has 64 divisors (see below), whose sum is σ = 223340544. Its totient is φ = 22671360.
The previous prime is 89000027. The next prime is 89000099. The reversal of 89000070 is 7000098.
It is a self number, because there is not a number n which added to its sum of digits gives 89000070.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76614 + ... + 77766.
It is an arithmetic number, because the mean of its divisors is an integer number (3489696).
Almost surely, 289000070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89000070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111670272).
89000070 is an abundant number, since it is smaller than the sum of its proper divisors (134340474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89000070 is a wasteful number, since it uses less digits than its factorization.
89000070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1277.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 89000070 is about 9433.9848420485. The cubic root of 89000070 is about 446.4746266117.
The spelling of 89000070 in words is "eighty-nine million, seventy", and thus it is an aban number and an uban number.
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