Base | Representation |
---|---|
bin | 10110100000011… |
… | …01111101111101 |
3 | 111011021002010200 |
4 | 23100031331331 |
5 | 341313112033 |
6 | 30422354113 |
7 | 4451531631 |
oct | 1320157575 |
9 | 434232120 |
10 | 188800893 |
11 | 976339a6 |
12 | 5328b939 |
13 | 30165a08 |
14 | 1b108dc1 |
15 | 11896013 |
hex | b40df7d |
188800893 has 24 divisors (see below), whose sum is σ = 278837208. Its totient is φ = 123057792.
The previous prime is 188800883. The next prime is 188800907. The reversal of 188800893 is 398008881.
It can be written as a sum of positive squares in 4 ways, for example, as 96294969 + 92505924 = 9813^2 + 9618^2 .
It is not a de Polignac number, because 188800893 - 24 = 188800877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188800873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188871 + ... + 189867.
It is an arithmetic number, because the mean of its divisors is an integer number (11618217).
Almost surely, 2188800893 is an apocalyptic number.
It is an amenable number.
188800893 is a deficient number, since it is larger than the sum of its proper divisors (90036315).
188800893 is a wasteful number, since it uses less digits than its factorization.
188800893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1453 (or 1450 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 45.
The square root of 188800893 is about 13740.4837251095. The cubic root of 188800893 is about 573.6777612783.
The spelling of 188800893 in words is "one hundred eighty-eight million, eight hundred thousand, eight hundred ninety-three".
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