Base | Representation |
---|---|
bin | 100110001110… |
… | …1100110000000 |
3 | 1101201100102022 |
4 | 1030131212000 |
5 | 20112403120 |
6 | 1553341012 |
7 | 332241533 |
oct | 114354600 |
9 | 41640368 |
10 | 20044160 |
11 | 10350524 |
12 | 6867768 |
13 | 41ca566 |
14 | 293aa1a |
15 | 1b5e025 |
hex | 131d980 |
20044160 has 32 divisors (see below), whose sum is σ = 47919600. Its totient is φ = 8017408.
The previous prime is 20044153. The next prime is 20044187. The reversal of 20044160 is 6144002.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15020 + ... + 16299.
Almost surely, 220044160 is an apocalyptic number.
20044160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20044160 is an abundant number, since it is smaller than the sum of its proper divisors (27875440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20044160 is an equidigital number, since it uses as much as digits as its factorization.
20044160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31338 (or 31326 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 20044160 is about 4477.0704707431. The cubic root of 20044160 is about 271.6413959373.
Adding to 20044160 its reverse (6144002), we get a palindrome (26188162).
The spelling of 20044160 in words is "twenty million, forty-four thousand, one hundred sixty".
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