Base | Representation |
---|---|
bin | 100111101010… |
… | …1111001001000 |
3 | 1110010200221010 |
4 | 1033111321020 |
5 | 20311032143 |
6 | 2021443520 |
7 | 341534424 |
oct | 117257110 |
9 | 43120833 |
10 | 20799048 |
11 | 108166a6 |
12 | 6b705a0 |
13 | 440303a |
14 | 2a95b84 |
15 | 1c5ca33 |
hex | 13d5e48 |
20799048 has 32 divisors (see below), whose sum is σ = 52853760. Its totient is φ = 6818880.
The previous prime is 20799043. The next prime is 20799049. The reversal of 20799048 is 84099702.
It is a junction number, because it is equal to n+sod(n) for n = 20798997 and 20799015.
It is not an unprimeable number, because it can be changed into a prime (20799043) by changing a digit.
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, 5640 + ... + 8567.
It is an arithmetic number, because the mean of its divisors is an integer number (1651680).
Almost surely, 220799048 is an apocalyptic number.
It is an amenable number.
20799048 is an abundant number, since it is smaller than the sum of its proper divisors (32054712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20799048 is a wasteful number, since it uses less digits than its factorization.
20799048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14277 (or 14273 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 20799048 is about 4560.5973292980. The cubic root of 20799048 is about 275.0095776279.
The spelling of 20799048 in words is "twenty million, seven hundred ninety-nine thousand, forty-eight".
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