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50142637 is a prime number
BaseRepresentation
bin1011111101000…
…1110110101101
310111100111202201
42333101312231
5100314031022
64550421501
71146130306
oct277216655
9114314681
1050142637
11263389a6
1214961891
13a5082cc
1469337ad
154607127
hex2fd1dad

50142637 has 2 divisors, whose sum is σ = 50142638. Its totient is φ = 50142636.

The previous prime is 50142623. The next prime is 50142641. The reversal of 50142637 is 73624105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36348841 + 13793796 = 6029^2 + 3714^2 .

It is a cyclic number.

It is not a de Polignac number, because 50142637 - 215 = 50109869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50142647) 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, 25071318 + 25071319.

It is an arithmetic number, because the mean of its divisors is an integer number (25071319).

Almost surely, 250142637 is an apocalyptic number.

It is an amenable number.

50142637 is a deficient number, since it is larger than the sum of its proper divisors (1).

50142637 is an equidigital number, since it uses as much as digits as its factorization.

50142637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 50142637 is about 7081.1465879475. The cubic root of 50142637 is about 368.7531367348.

The spelling of 50142637 in words is "fifty million, one hundred forty-two thousand, six hundred thirty-seven".