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50143817 is a prime number
BaseRepresentation
bin1011111101001…
…0001001001001
310111100120101102
42333102021021
5100314100232
64550431145
71146133613
oct277221111
9114316342
1050143817
1126339879
12149624b5
13a5089c9
146933db3
154607662
hex2fd2249

50143817 has 2 divisors, whose sum is σ = 50143818. Its totient is φ = 50143816.

The previous prime is 50143801. The next prime is 50143823. The reversal of 50143817 is 71834105.

50143817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 173056 = 7069^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 50143817 - 24 = 50143801 is a prime.

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 50143817.

It is not a weakly prime, because it can be changed into another prime (50143837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25071908 + 25071909.

It is an arithmetic number, because the mean of its divisors is an integer number (25071909).

Almost surely, 250143817 is an apocalyptic number.

It is an amenable number.

50143817 is a deficient number, since it is larger than the sum of its proper divisors (1).

50143817 is an equidigital number, since it uses as much as digits as its factorization.

50143817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 50143817 is about 7081.2299072972. The cubic root of 50143817 is about 368.7560293183.

The spelling of 50143817 in words is "fifty million, one hundred forty-three thousand, eight hundred seventeen".