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50844821 is a prime number
BaseRepresentation
bin1100000111110…
…1010010010101
310112200011222112
43001331102111
5101004013241
65013440405
71155113426
oct301752225
9115604875
1050844821
1126778515
1215040105
13a6c2ac1
146a7764d
1546e51eb
hex307d495

50844821 has 2 divisors, whose sum is σ = 50844822. Its totient is φ = 50844820.

The previous prime is 50844809. The next prime is 50844839. The reversal of 50844821 is 12844805.

It is a happy number.

50844821 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., 50836900 + 7921 = 7130^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 50844821 - 26 = 50844757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50844851) 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, 25422410 + 25422411.

It is an arithmetic number, because the mean of its divisors is an integer number (25422411).

Almost surely, 250844821 is an apocalyptic number.

It is an amenable number.

50844821 is a deficient number, since it is larger than the sum of its proper divisors (1).

50844821 is an equidigital number, since it uses as much as digits as its factorization.

50844821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 50844821 is about 7130.5554482102. Note that the first 3 decimals coincide. The cubic root of 50844821 is about 370.4664703397.

The spelling of 50844821 in words is "fifty million, eight hundred forty-four thousand, eight hundred twenty-one".