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50479993 is a prime number
BaseRepresentation
bin1100000010010…
…0001101111001
310111222122112101
43000210031321
5100410324433
65001543401
71152033664
oct300441571
9114878471
1050479993
1126549403
1214aa4b61
13a5c5a25
1469c06db
15467207d
hex3024379

50479993 has 2 divisors, whose sum is σ = 50479994. Its totient is φ = 50479992.

The previous prime is 50479939. The next prime is 50480029. The reversal of 50479993 is 39997405.

Together with previous prime (50479939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39904489 + 10575504 = 6317^2 + 3252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50479993 is a prime.

It is not a weakly prime, because it can be changed into another prime (50479393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25239996 + 25239997.

It is an arithmetic number, because the mean of its divisors is an integer number (25239997).

Almost surely, 250479993 is an apocalyptic number.

It is an amenable number.

50479993 is a deficient number, since it is larger than the sum of its proper divisors (1).

50479993 is an equidigital number, since it uses as much as digits as its factorization.

50479993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 50479993 is about 7104.9273747168. The cubic root of 50479993 is about 369.5782704042.

The spelling of 50479993 in words is "fifty million, four hundred seventy-nine thousand, nine hundred ninety-three".