Search a number
-
+
50028191 is a prime number
BaseRepresentation
bin1011111011010…
…1111010011111
310111010200202222
42332311322133
5100301400231
64544135555
71145142533
oct276657237
9114120688
1050028191
112626aa14
12149075bb
13a4981a5
146903bc3
1545d327b
hex2fb5e9f

50028191 has 2 divisors, whose sum is σ = 50028192. Its totient is φ = 50028190.

The previous prime is 50028179. The next prime is 50028193. The reversal of 50028191 is 19182005.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50028191 - 218 = 49766047 is a prime.

Together with 50028193, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50028191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50028193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25014095 + 25014096.

It is an arithmetic number, because the mean of its divisors is an integer number (25014096).

Almost surely, 250028191 is an apocalyptic number.

50028191 is a deficient number, since it is larger than the sum of its proper divisors (1).

50028191 is an equidigital number, since it uses as much as digits as its factorization.

50028191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 50028191 is about 7073.0609356911. The cubic root of 50028191 is about 368.4723745436.

The spelling of 50028191 in words is "fifty million, twenty-eight thousand, one hundred ninety-one".