Base | Representation |
---|---|
bin | 100111101011… |
… | …0001000110000 |
3 | 1110010202022011 |
4 | 1033112020300 |
5 | 20311100143 |
6 | 2021452304 |
7 | 341540353 |
oct | 117261060 |
9 | 43122264 |
10 | 20800048 |
11 | 10817425 |
12 | 6b71094 |
13 | 4403629 |
14 | 2a9629a |
15 | 1c5ce9d |
hex | 13d6230 |
20800048 has 20 divisors (see below), whose sum is σ = 40510800. Its totient is φ = 10345664.
The previous prime is 20800033. The next prime is 20800081. The reversal of 20800048 is 84000802.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 148 + ... + 6451.
It is an arithmetic number, because the mean of its divisors is an integer number (2025540).
Almost surely, 220800048 is an apocalyptic number.
It is an amenable number.
20800048 is a deficient number, since it is larger than the sum of its proper divisors (19710752).
20800048 is a wasteful number, since it uses less digits than its factorization.
20800048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6804 (or 6798 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 22.
The square root of 20800048 is about 4560.7069627416. The cubic root of 20800048 is about 275.0139849637.
The spelling of 20800048 in words is "twenty million, eight hundred thousand, forty-eight".
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