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50289 = 316763
BaseRepresentation
bin1100010001110001
32112222120
430101301
53102124
61024453
7266421
oct142161
975876
1050289
1134868
1225129
1319b75
1414481
15ed79
hexc471

50289 has 4 divisors (see below), whose sum is σ = 67056. Its totient is φ = 33524.

The previous prime is 50287. The next prime is 50291. The reversal of 50289 is 98205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50287) and next prime (50291).

It is a cyclic number.

It is not a de Polignac number, because 50289 - 21 = 50287 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (50287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8379 + ... + 8384.

It is an arithmetic number, because the mean of its divisors is an integer number (16764).

250289 is an apocalyptic number.

It is an amenable number.

50289 is a deficient number, since it is larger than the sum of its proper divisors (16767).

50289 is a wasteful number, since it uses less digits than its factorization.

50289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16766.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 50289 is about 224.2520902913. The cubic root of 50289 is about 36.9111576778.

The spelling of 50289 in words is "fifty thousand, two hundred eighty-nine".

Divisors: 1 3 16763 50289