Base | Representation |
---|---|
bin | 10110011100000… |
… | …10100000110000 |
3 | 111010012001120122 |
4 | 23032002200300 |
5 | 341141322210 |
6 | 30402225412 |
7 | 4443632402 |
oct | 1316024060 |
9 | 433161518 |
10 | 188229680 |
11 | 97283821 |
12 | 53055268 |
13 | 2ccc5a12 |
14 | 1addab72 |
15 | 117d1b55 |
hex | b382830 |
188229680 has 40 divisors (see below), whose sum is σ = 438253200. Its totient is φ = 75185408.
The previous prime is 188229673. The next prime is 188229703. The reversal of 188229680 is 86922881.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80366 + ... + 82674.
It is an arithmetic number, because the mean of its divisors is an integer number (10956330).
Almost surely, 2188229680 is an apocalyptic number.
188229680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
188229680 is an abundant number, since it is smaller than the sum of its proper divisors (250023520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188229680 is a wasteful number, since it uses less digits than its factorization.
188229680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3341 (or 3335 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 44.
The square root of 188229680 is about 13719.6822120631. The cubic root of 188229680 is about 573.0986269645.
The spelling of 188229680 in words is "one hundred eighty-eight million, two hundred twenty-nine thousand, six hundred eighty".
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