Base | Representation |
---|---|
bin | 1010100111000… |
… | …00110100110110 |
3 | 20012110201210100 |
4 | 11103200310312 |
5 | 140241020040 |
6 | 12455334530 |
7 | 2130332631 |
oct | 523406466 |
9 | 205421710 |
10 | 89001270 |
11 | 46269a76 |
12 | 25981446 |
13 | 15592497 |
14 | bb6ac18 |
15 | 7c30b30 |
hex | 54e0d36 |
89001270 has 48 divisors (see below), whose sum is σ = 233674272. Its totient is φ = 23500800.
The previous prime is 89001197. The next prime is 89001293. The reversal of 89001270 is 7210098.
It is a super-2 number, since 2×890012702 = 15842452123225800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4470 + ... + 14070.
It is an arithmetic number, because the mean of its divisors is an integer number (4868214).
Almost surely, 289001270 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89001270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116837136).
89001270 is an abundant number, since it is smaller than the sum of its proper divisors (144673002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89001270 is a wasteful number, since it uses less digits than its factorization.
89001270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9717 (or 9714 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 89001270 is about 9434.0484416819. The cubic root of 89001270 is about 446.4766332286.
The spelling of 89001270 in words is "eighty-nine million, one thousand, two hundred seventy".
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