Base | Representation |
---|---|
bin | 1100000001010… |
… | …1110111011011 |
3 | 10111212122220021 |
4 | 3000111313123 |
5 | 100401434321 |
6 | 5000411311 |
7 | 1151400421 |
oct | 300256733 |
9 | 114778807 |
10 | 50421211 |
11 | 26509225 |
12 | 14a76b37 |
13 | a5a5049 |
14 | 69a7111 |
15 | 465e941 |
hex | 3015ddb |
50421211 has 2 divisors, whose sum is σ = 50421212. Its totient is φ = 50421210.
The previous prime is 50421209. The next prime is 50421229. The reversal of 50421211 is 11212405.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 50421211 - 21 = 50421209 is a prime.
Together with 50421209, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (50425211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210605 + 25210606.
It is an arithmetic number, because the mean of its divisors is an integer number (25210606).
Almost surely, 250421211 is an apocalyptic number.
50421211 is a deficient number, since it is larger than the sum of its proper divisors (1).
50421211 is an equidigital number, since it uses as much as digits as its factorization.
50421211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 50421211 is about 7100.7894631513. The cubic root of 50421211 is about 369.4347614843.
Adding to 50421211 its reverse (11212405), we get a palindrome (61633616).
The spelling of 50421211 in words is "fifty million, four hundred twenty-one thousand, two hundred eleven".
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