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50256289 is a prime number
BaseRepresentation
bin1011111110110…
…1100110100001
310111120021200001
42333231212201
5100331200124
64553100001
71150112536
oct277554641
9114507601
1050256289
1126406326
12149b7601
13a547c65
146962d8d
15462ab44
hex2fed9a1

50256289 has 2 divisors, whose sum is σ = 50256290. Its totient is φ = 50256288.

The previous prime is 50256209. The next prime is 50256299. The reversal of 50256289 is 98265205.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 11505664 = 6225^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 50256289 - 27 = 50256161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50256209) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25128144 + 25128145.

It is an arithmetic number, because the mean of its divisors is an integer number (25128145).

Almost surely, 250256289 is an apocalyptic number.

It is an amenable number.

50256289 is a deficient number, since it is larger than the sum of its proper divisors (1).

50256289 is an equidigital number, since it uses as much as digits as its factorization.

50256289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 50256289 is about 7089.1670173582. The cubic root of 50256289 is about 369.0315286060.

The spelling of 50256289 in words is "fifty million, two hundred fifty-six thousand, two hundred eighty-nine".