Base | Representation |
---|---|
bin | 110100110111110… |
… | …011100000100000 |
3 | 2021211010111210020 |
4 | 310313303200200 |
5 | 3304040403003 |
6 | 224004233440 |
7 | 30660515325 |
oct | 6467634040 |
9 | 2254114706 |
10 | 887044128 |
11 | 415793423 |
12 | 20909b880 |
13 | 111a0b5a9 |
14 | 85b46b4c |
15 | 52d1cd53 |
hex | 34df3820 |
887044128 has 72 divisors (see below), whose sum is σ = 2434270608. Its totient is φ = 282809472.
The previous prime is 887044069. The next prime is 887044163. The reversal of 887044128 is 821440788.
It is a self number, because there is not a number n which added to its sum of digits gives 887044128.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42051 + ... + 59517.
It is an arithmetic number, because the mean of its divisors is an integer number (33809314).
Almost surely, 2887044128 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 887044128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217135304).
887044128 is an abundant number, since it is smaller than the sum of its proper divisors (1547226480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
887044128 is a wasteful number, since it uses less digits than its factorization.
887044128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17526 (or 17495 counting only the distinct ones).
The product of its (nonzero) digits is 114688, while the sum is 42.
The square root of 887044128 is about 29783.2860510723. The cubic root of 887044128 is about 960.8341014652.
The spelling of 887044128 in words is "eight hundred eighty-seven million, forty-four thousand, one hundred twenty-eight".
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