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50420213 is a prime number
BaseRepresentation
bin1100000001010…
…1100111110101
310111212121112022
43000111213311
5100401421323
65000402525
71151364464
oct300254765
9114777468
1050420213
11265084a8
1214a76445
13a5a475c
1469a69db
15465e4c8
hex30159f5

50420213 has 2 divisors, whose sum is σ = 50420214. Its totient is φ = 50420212.

The previous prime is 50420203. The next prime is 50420267. The reversal of 50420213 is 31202405.

50420213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43059844 + 7360369 = 6562^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 50420213 - 210 = 50419189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50420191 and 50420200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50420203) 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 as a sum of consecutive naturals, namely, 25210106 + 25210107.

It is an arithmetic number, because the mean of its divisors is an integer number (25210107).

Almost surely, 250420213 is an apocalyptic number.

It is an amenable number.

50420213 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420213 is an equidigital number, since it uses as much as digits as its factorization.

50420213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 50420213 is about 7100.7191889273. The cubic root of 50420213 is about 369.4323240291.

Adding to 50420213 its reverse (31202405), we get a palindrome (81622618).

The spelling of 50420213 in words is "fifty million, four hundred twenty thousand, two hundred thirteen".