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50947 = 133919
BaseRepresentation
bin1100011100000011
32120212221
430130003
53112242
61031511
7301351
oct143403
976787
1050947
1135306
1225597
131a260
14147d1
1510167
hexc703

50947 has 4 divisors (see below), whose sum is σ = 54880. Its totient is φ = 47016.

The previous prime is 50929. The next prime is 50951. The reversal of 50947 is 74905.

50947 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50947 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (50957) 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, 1947 + ... + 1972.

It is an arithmetic number, because the mean of its divisors is an integer number (13720).

250947 is an apocalyptic number.

50947 is a deficient number, since it is larger than the sum of its proper divisors (3933).

50947 is a wasteful number, since it uses less digits than its factorization.

50947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 50947 is about 225.7144213381. The cubic root of 50947 is about 37.0714470455.

The spelling of 50947 in words is "fifty thousand, nine hundred forty-seven".

Divisors: 1 13 3919 50947