Base | Representation |
---|---|
bin | 100110001111… |
… | …1000001110001 |
3 | 1101201122110211 |
4 | 1030133001301 |
5 | 20113100113 |
6 | 1553424121 |
7 | 332264623 |
oct | 114370161 |
9 | 41648424 |
10 | 20050033 |
11 | 10354983 |
12 | 686b041 |
13 | 4200133 |
14 | 293cc13 |
15 | 1b60b3d |
hex | 131f071 |
20050033 has 2 divisors, whose sum is σ = 20050034. Its totient is φ = 20050032.
The previous prime is 20050031. The next prime is 20050039. The reversal of 20050033 is 33005002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18722929 + 1327104 = 4327^2 + 1152^2 .
It is a cyclic number.
It is not a de Polignac number, because 20050033 - 21 = 20050031 is a prime.
Together with 20050031, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 20049995 and 20050022.
It is not a weakly prime, because it can be changed into another prime (20050031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025016 + 10025017.
It is an arithmetic number, because the mean of its divisors is an integer number (10025017).
Almost surely, 220050033 is an apocalyptic number.
It is an amenable number.
20050033 is a deficient number, since it is larger than the sum of its proper divisors (1).
20050033 is an equidigital number, since it uses as much as digits as its factorization.
20050033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 90, while the sum is 13.
The square root of 20050033 is about 4477.7263203550. The cubic root of 20050033 is about 271.6679239323.
Adding to 20050033 its reverse (33005002), we get a palindrome (53055035).
The spelling of 20050033 in words is "twenty million, fifty thousand, thirty-three".
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