Base | Representation |
---|---|
bin | 1010101001000… |
… | …10100001100010 |
3 | 20012222101221000 |
4 | 11110202201202 |
5 | 140323122440 |
6 | 12505212430 |
7 | 2132533320 |
oct | 524424142 |
9 | 205871830 |
10 | 89270370 |
11 | 46433172 |
12 | 25a91116 |
13 | 15657b07 |
14 | bbdad10 |
15 | 7c85730 |
hex | 5522862 |
89270370 has 128 divisors (see below), whose sum is σ = 274752000. Its totient is φ = 20203776.
The previous prime is 89270333. The next prime is 89270371. The reversal of 89270370 is 7307298.
It is not an unprimeable number, because it can be changed into a prime (89270371) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 281452 + ... + 281768.
It is an arithmetic number, because the mean of its divisors is an integer number (2146500).
Almost surely, 289270370 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89270370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137376000).
89270370 is an abundant number, since it is smaller than the sum of its proper divisors (185481630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89270370 is a wasteful number, since it uses less digits than its factorization.
89270370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489 (or 483 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 89270370 is about 9448.2998470624. The cubic root of 89270370 is about 446.9261623004.
The spelling of 89270370 in words is "eighty-nine million, two hundred seventy thousand, three hundred seventy".
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