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50072689 is a prime number
BaseRepresentation
bin1011111100000…
…0110001110001
310111012221211001
42333000301301
5100304311224
64545122001
71145416342
oct277006161
9114187731
1050072689
11262a0397
1214929301
13a4b2514
1469160c9
1545e1544
hex2fc0c71

50072689 has 2 divisors, whose sum is σ = 50072690. Its totient is φ = 50072688.

The previous prime is 50072681. The next prime is 50072707. The reversal of 50072689 is 98627005.

50072689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 24671089 = 5040^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 50072689 - 23 = 50072681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50072681) 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, 25036344 + 25036345.

It is an arithmetic number, because the mean of its divisors is an integer number (25036345).

Almost surely, 250072689 is an apocalyptic number.

It is an amenable number.

50072689 is a deficient number, since it is larger than the sum of its proper divisors (1).

50072689 is an equidigital number, since it uses as much as digits as its factorization.

50072689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 50072689 is about 7076.2058336371. The cubic root of 50072689 is about 368.5815891319.

The spelling of 50072689 in words is "fifty million, seventy-two thousand, six hundred eighty-nine".