Base | Representation |
---|---|
bin | 10110100000101… |
… | …11001111000101 |
3 | 111011100000012121 |
4 | 23100113033011 |
5 | 341320320403 |
6 | 30423245541 |
7 | 4452050410 |
oct | 1320271705 |
9 | 434300177 |
10 | 188838853 |
11 | 9765a475 |
12 | 532a98b1 |
13 | 3017a088 |
14 | 1b118b77 |
15 | 118a23bd |
hex | b4173c5 |
188838853 has 16 divisors (see below), whose sum is σ = 228229120. Its totient is φ = 152631216.
The previous prime is 188838851. The next prime is 188838857. The reversal of 188838853 is 358838881.
188838853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 188838853 - 21 = 188838851 is a prime.
It is a super-2 number, since 2×1888388532 = 71320224804711218, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 188838853.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188838851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26476 + ... + 32842.
It is an arithmetic number, because the mean of its divisors is an integer number (14264320).
Almost surely, 2188838853 is an apocalyptic number.
It is an amenable number.
188838853 is a deficient number, since it is larger than the sum of its proper divisors (39390267).
188838853 is a wasteful number, since it uses less digits than its factorization.
188838853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6616.
The product of its digits is 1474560, while the sum is 52.
The square root of 188838853 is about 13741.8649753227. The cubic root of 188838853 is about 573.7162062739.
The spelling of 188838853 in words is "one hundred eighty-eight million, eight hundred thirty-eight thousand, eight hundred fifty-three".
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