Base | Representation |
---|---|
bin | 110100110111100… |
… | …100010100100000 |
3 | 2021211000100110020 |
4 | 310313210110200 |
5 | 3304031410140 |
6 | 224003033440 |
7 | 30660136056 |
oct | 6467442440 |
9 | 2254010406 |
10 | 886981920 |
11 | 415750710 |
12 | 20906b880 |
13 | 1119b9196 |
14 | 85b2c1d6 |
15 | 52d096d0 |
hex | 34de4520 |
886981920 has 192 divisors, whose sum is σ = 3146895360. Its totient is φ = 208051200.
The previous prime is 886981903. The next prime is 886981967. The reversal of 886981920 is 29189688.
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 31 ways as a sum of consecutive naturals, for example, 160971 + ... + 166389.
It is an arithmetic number, because the mean of its divisors is an integer number (16390080).
Almost surely, 2886981920 is an apocalyptic number.
886981920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 886981920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573447680).
886981920 is an abundant number, since it is smaller than the sum of its proper divisors (2259913440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
886981920 is a wasteful number, since it uses less digits than its factorization.
886981920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5479 (or 5471 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 51.
The square root of 886981920 is about 29782.2416886305. The cubic root of 886981920 is about 960.8116399877.
The spelling of 886981920 in words is "eight hundred eighty-six million, nine hundred eighty-one thousand, nine hundred twenty".
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