Base | Representation |
---|---|
bin | 1010100111110… |
… | …01011110101010 |
3 | 20012122212022100 |
4 | 11103321132222 |
5 | 140302233000 |
6 | 12501434230 |
7 | 2131233216 |
oct | 523713652 |
9 | 205585270 |
10 | 89102250 |
11 | 46328926 |
12 | 25a0b976 |
13 | 155c9433 |
14 | bb95946 |
15 | 7c50a00 |
hex | 54f97aa |
89102250 has 72 divisors (see below), whose sum is σ = 242149284. Its totient is φ = 23641200.
The previous prime is 89102249. The next prime is 89102257. The reversal of 89102250 is 5220198.
It can be written as a sum of positive squares in 2 ways, for example, as 60233121 + 28869129 = 7761^2 + 5373^2 .
It is not an unprimeable number, because it can be changed into a prime (89102257) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 447651 + ... + 447849.
Almost surely, 289102250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89102250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121074642).
89102250 is an abundant number, since it is smaller than the sum of its proper divisors (153047034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89102250 is a wasteful number, since it uses less digits than its factorization.
89102250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421 (or 209 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 89102250 is about 9439.3988156026. The cubic root of 89102250 is about 446.6454254645.
Multiplying 89102250 by its product of nonzero digits (1440), we get a square (128307240000 = 3582002).
The spelling of 89102250 in words is "eighty-nine million, one hundred two thousand, two hundred fifty".
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