Base | Representation |
---|---|
bin | 10110011010111… |
… | …10011011000000 |
3 | 111002220112210200 |
4 | 23031132123000 |
5 | 341122104411 |
6 | 30355125200 |
7 | 4442445414 |
oct | 1315363300 |
9 | 432815720 |
10 | 188081856 |
11 | 97192756 |
12 | 52ba3800 |
13 | 2cc73651 |
14 | 1ad9cd44 |
15 | 117a2e56 |
hex | b35e6c0 |
188081856 has 84 divisors (see below), whose sum is σ = 562581552. Its totient is φ = 59963904.
The previous prime is 188081843. The next prime is 188081891. The reversal of 188081856 is 658180881.
It is a happy number.
188081856 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6150 + ... + 20346.
Almost surely, 2188081856 is an apocalyptic number.
188081856 is a gapful number since it is divisible by the number (16) 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 188081856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281290776).
188081856 is an abundant number, since it is smaller than the sum of its proper divisors (374499696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188081856 is a wasteful number, since it uses less digits than its factorization.
188081856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14238 (or 14225 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 45.
The square root of 188081856 is about 13714.2938571404. The cubic root of 188081856 is about 572.9485622165.
The spelling of 188081856 in words is "one hundred eighty-eight million, eighty-one thousand, eight hundred fifty-six".
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