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50412881 is a prime number
BaseRepresentation
bin1100000001001…
…1110101010001
310111212020110202
43000103311101
5100401203011
65000304545
71151334221
oct300236521
9114766422
1050412881
1126502a42
1214a72155
13a5a130c
1469a4081
15465c23b
hex3013d51

50412881 has 2 divisors, whose sum is σ = 50412882. Its totient is φ = 50412880.

The previous prime is 50412853. The next prime is 50412883. The reversal of 50412881 is 18821405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32307856 + 18105025 = 5684^2 + 4255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50412881 is a prime.

It is a super-2 number, since 2×504128812 = 5082917141440322, which contains 22 as substring.

Together with 50412883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50412883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25206440 + 25206441.

It is an arithmetic number, because the mean of its divisors is an integer number (25206441).

Almost surely, 250412881 is an apocalyptic number.

It is an amenable number.

50412881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50412881 is an equidigital number, since it uses as much as digits as its factorization.

50412881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 50412881 is about 7100.2028844252. The cubic root of 50412881 is about 369.4144158071.

The spelling of 50412881 in words is "fifty million, four hundred twelve thousand, eight hundred eighty-one".