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50022881 is a prime number
BaseRepresentation
bin1011111011010…
…0100111100001
310111010102111022
42332310213201
5100301213011
64544055225
71145121206
oct276644741
9114112438
1050022881
1126266a27
1214904515
13a49594c
146901cad
1545d18db
hex2fb49e1

50022881 has 2 divisors, whose sum is σ = 50022882. Its totient is φ = 50022880.

The previous prime is 50022859. The next prime is 50022893. The reversal of 50022881 is 18822005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 7980625 = 6484^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 50022881 - 222 = 45828577 is a prime.

It is a super-2 number, since 2×500228812 = 5004577247080322, which contains 22 as substring.

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 50022881.

It is not a weakly prime, because it can be changed into another prime (50022781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25011440 + 25011441.

It is an arithmetic number, because the mean of its divisors is an integer number (25011441).

Almost surely, 250022881 is an apocalyptic number.

It is an amenable number.

50022881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50022881 is an equidigital number, since it uses as much as digits as its factorization.

50022881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 50022881 is about 7072.6855578344. The cubic root of 50022881 is about 368.4593375105.

Adding to 50022881 its reverse (18822005), we get a palindrome (68844886).

The spelling of 50022881 in words is "fifty million, twenty-two thousand, eight hundred eighty-one".