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50068649 is a prime number
BaseRepresentation
bin1011111011111…
…1110010101001
310111012202021102
42332333302221
5100304144044
64545051145
71145401511
oct276776251
9114182242
1050068649
1126298354
1214926ab5
13a4b0727
146914841
1545e024e
hex2fbfca9

50068649 has 2 divisors, whose sum is σ = 50068650. Its totient is φ = 50068648.

The previous prime is 50068633. The next prime is 50068673. The reversal of 50068649 is 94686005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 9517225 = 6368^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 50068649 - 24 = 50068633 is a prime.

It is a super-2 number, since 2×500686492 = 5013739225370402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50068679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25034324 + 25034325.

It is an arithmetic number, because the mean of its divisors is an integer number (25034325).

Almost surely, 250068649 is an apocalyptic number.

It is an amenable number.

50068649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50068649 is an equidigital number, since it uses as much as digits as its factorization.

50068649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 50068649 is about 7075.9203641647. The cubic root of 50068649 is about 368.5716761454.

The spelling of 50068649 in words is "fifty million, sixty-eight thousand, six hundred forty-nine".