Base | Representation |
---|---|
bin | 110101011110111… |
… | …101001000101100 |
3 | 2022112102221001021 |
4 | 311132331020230 |
5 | 3314202312210 |
6 | 225012223524 |
7 | 31143661630 |
oct | 6536751054 |
9 | 2275387037 |
10 | 897307180 |
11 | 420563190 |
12 | 21060aba4 |
13 | 113b92ac3 |
14 | 87258dc0 |
15 | 53b98bda |
hex | 357bd22c |
897307180 has 96 divisors (see below), whose sum is σ = 2362268160. Its totient is φ = 278138880.
The previous prime is 897307171. The next prime is 897307247. The reversal of 897307180 is 81703798.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295711 + ... + 298729.
It is an arithmetic number, because the mean of its divisors is an integer number (24606960).
Almost surely, 2897307180 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 897307180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181134080).
897307180 is an abundant number, since it is smaller than the sum of its proper divisors (1464960980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
897307180 is a wasteful number, since it uses less digits than its factorization.
897307180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3239 (or 3237 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 43.
The square root of 897307180 is about 29955.0860456117. The cubic root of 897307180 is about 964.5255007468.
The spelling of 897307180 in words is "eight hundred ninety-seven million, three hundred seven thousand, one hundred eighty".
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