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50051669 is a prime number
BaseRepresentation
bin1011111011101…
…1101001010101
310111011212222112
42332323221111
5100303123134
64544440405
71145301143
oct276735125
9114155875
1050051669
1126286618
1214919105
13a4a5a95
14690c593
1545da1ce
hex2fbba55

50051669 has 2 divisors, whose sum is σ = 50051670. Its totient is φ = 50051668.

The previous prime is 50051629. The next prime is 50051671. The reversal of 50051669 is 96615005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33200644 + 16851025 = 5762^2 + 4105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50051669 is a prime.

It is a super-2 number, since 2×500516692 = 5010339139371122, which contains 22 as substring.

Together with 50051671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50051609) 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, 25025834 + 25025835.

It is an arithmetic number, because the mean of its divisors is an integer number (25025835).

Almost surely, 250051669 is an apocalyptic number.

It is an amenable number.

50051669 is a deficient number, since it is larger than the sum of its proper divisors (1).

50051669 is an equidigital number, since it uses as much as digits as its factorization.

50051669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 50051669 is about 7074.7204185042. The cubic root of 50051669 is about 368.5300063261.

The spelling of 50051669 in words is "fifty million, fifty-one thousand, six hundred sixty-nine".