Base | Representation |
---|---|
bin | 100110001111… |
… | …1101110001000 |
3 | 1101201210100222 |
4 | 1030133232020 |
5 | 20113142442 |
6 | 1553445212 |
7 | 332306120 |
oct | 114375610 |
9 | 41653328 |
10 | 20052872 |
11 | 10357024 |
12 | 6870808 |
13 | 4201508 |
14 | 293dc80 |
15 | 1b618d2 |
hex | 131fb88 |
20052872 has 32 divisors (see below), whose sum is σ = 44841600. Its totient is φ = 8219904.
The previous prime is 20052869. The next prime is 20052889. The reversal of 20052872 is 27825002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6497 + ... + 9072.
It is an arithmetic number, because the mean of its divisors is an integer number (1401300).
Almost surely, 220052872 is an apocalyptic number.
It is an amenable number.
20052872 is an abundant number, since it is smaller than the sum of its proper divisors (24788728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20052872 is a wasteful number, since it uses less digits than its factorization.
20052872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15605 (or 15601 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 20052872 is about 4478.0433227025. The cubic root of 20052872 is about 271.6807456707.
Adding to 20052872 its reverse (27825002), we get a palindrome (47877874).
The spelling of 20052872 in words is "twenty million, fifty-two thousand, eight hundred seventy-two".
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