Base | Representation |
---|---|
bin | 100001001010110100000 |
3 | 2001012220211 |
4 | 10021112200 |
5 | 234240010 |
6 | 35143504 |
7 | 12144514 |
oct | 4112640 |
9 | 2035824 |
10 | 1086880 |
11 | 682653 |
12 | 444b94 |
13 | 2c0932 |
14 | 204144 |
15 | 16708a |
hex | 1095a0 |
1086880 has 24 divisors (see below), whose sum is σ = 2568132. Its totient is φ = 434688.
The previous prime is 1086863. The next prime is 1086881. The reversal of 1086880 is 886801.
It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 94864 = 996^2 + 308^2 .
It is not an unprimeable number, because it can be changed into a prime (1086881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3237 + ... + 3556.
21086880 is an apocalyptic number.
1086880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1086880 is an abundant number, since it is smaller than the sum of its proper divisors (1481252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1086880 is an equidigital number, since it uses as much as digits as its factorization.
1086880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6808 (or 6800 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 31.
The square root of 1086880 is about 1042.5353711026. The cubic root of 1086880 is about 102.8159594091.
The spelling of 1086880 in words is "one million, eighty-six thousand, eight hundred eighty".
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