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50222987 is a prime number
BaseRepresentation
bin1011111110010…
…1011110001011
310111111120222122
42333211132023
5100324113422
64552241455
71146613463
oct277453613
9114446878
1050222987
1126393301
12149a028b
13a535a59
146954ba3
154620d42
hex2fe578b

50222987 has 2 divisors, whose sum is σ = 50222988. Its totient is φ = 50222986.

The previous prime is 50222941. The next prime is 50222989. The reversal of 50222987 is 78922205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50222987 - 26 = 50222923 is a prime.

Together with 50222989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50222989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25111493 + 25111494.

It is an arithmetic number, because the mean of its divisors is an integer number (25111494).

Almost surely, 250222987 is an apocalyptic number.

50222987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50222987 is an equidigital number, since it uses as much as digits as its factorization.

50222987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 50222987 is about 7086.8178331322. The cubic root of 50222987 is about 368.9499984882.

The spelling of 50222987 in words is "fifty million, two hundred twenty-two thousand, nine hundred eighty-seven".