Base | Representation |
---|---|
bin | 100110001111… |
… | …0100101100000 |
3 | 1101201112222211 |
4 | 1030132211200 |
5 | 20113020344 |
6 | 1553411504 |
7 | 332256430 |
oct | 114364540 |
9 | 41645884 |
10 | 20048224 |
11 | 10353589 |
12 | 6869b94 |
13 | 41cc371 |
14 | 293c2c0 |
15 | 1b60334 |
hex | 131e960 |
20048224 has 24 divisors (see below), whose sum is σ = 45109008. Its totient is φ = 8592000.
The previous prime is 20048213. The next prime is 20048233. The reversal of 20048224 is 42284002.
It is a junction number, because it is equal to n+sod(n) for n = 20048195 and 20048204.
It is a congruent number.
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, 44527 + ... + 44974.
It is an arithmetic number, because the mean of its divisors is an integer number (1879542).
Almost surely, 220048224 is an apocalyptic number.
It is an amenable number.
20048224 is an abundant number, since it is smaller than the sum of its proper divisors (25060784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20048224 is an equidigital number, since it uses as much as digits as its factorization.
20048224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89518 (or 89510 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 20048224 is about 4477.5243159585. The cubic root of 20048224 is about 271.6597533380.
The spelling of 20048224 in words is "twenty million, forty-eight thousand, two hundred twenty-four".
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