Base | Representation |
---|---|
bin | 100110100000… |
… | …1111001001100 |
3 | 1101222220101010 |
4 | 1031001321030 |
5 | 20132132334 |
6 | 2000445220 |
7 | 333431160 |
oct | 115017114 |
9 | 41886333 |
10 | 20192844 |
11 | 10442201 |
12 | 6919810 |
13 | 4250139 |
14 | 2978ca0 |
15 | 1b8d0e9 |
hex | 1341e4c |
20192844 has 48 divisors (see below), whose sum is σ = 54070016. Its totient is φ = 5745600.
The previous prime is 20192831. The next prime is 20192849. The reversal of 20192844 is 44829102.
It is not an unprimeable number, because it can be changed into a prime (20192849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35079 + ... + 35649.
Almost surely, 220192844 is an apocalyptic number.
It is an amenable number.
20192844 is an abundant number, since it is smaller than the sum of its proper divisors (33877172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20192844 is a wasteful number, since it uses less digits than its factorization.
20192844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 20192844 is about 4493.6448457794. The cubic root of 20192844 is about 272.3114044481.
The spelling of 20192844 in words is "twenty million, one hundred ninety-two thousand, eight hundred forty-four".
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