Base | Representation |
---|---|
bin | 110100110111101… |
… | …000110001000000 |
3 | 2021211001021102121 |
4 | 310313220301000 |
5 | 3304033001003 |
6 | 224003254024 |
7 | 30660243130 |
oct | 6467506100 |
9 | 2254037377 |
10 | 887000128 |
11 | 415763363 |
12 | 20907a314 |
13 | 1119c4561 |
14 | 85b34ac0 |
15 | 52d0ecbd |
hex | 34de8c40 |
887000128 has 28 divisors (see below), whose sum is σ = 2011590592. Its totient is φ = 380142720.
The previous prime is 887000111. The next prime is 887000137. The reversal of 887000128 is 821000788.
It is a tau number, because it is divible by the number of its divisors (28).
It is a junction number, because it is equal to n+sod(n) for n = 887000093 and 887000102.
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 3 ways as a sum of consecutive naturals, for example, 989508 + ... + 990403.
Almost surely, 2887000128 is an apocalyptic number.
It is an amenable number.
887000128 is an abundant number, since it is smaller than the sum of its proper divisors (1124590464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
887000128 is a wasteful number, since it uses less digits than its factorization.
887000128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1979930 (or 1979920 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 34.
The square root of 887000128 is about 29782.5473725805. The cubic root of 887000128 is about 960.8182144692.
The spelling of 887000128 in words is "eight hundred eighty-seven million, one hundred twenty-eight", and thus it is an aban number.
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