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50143 = 411223
BaseRepresentation
bin1100001111011111
32112210011
430033133
53101033
61024051
7266122
oct141737
975704
1050143
1134745
1225027
1319a92
14143b9
15eccd
hexc3df

50143 has 4 divisors (see below), whose sum is σ = 51408. Its totient is φ = 48880.

The previous prime is 50131. The next prime is 50147. The reversal of 50143 is 34105.

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

It is a cyclic number.

It is not a de Polignac number, because 50143 - 25 = 50111 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50147) 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 in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (12852).

250143 is an apocalyptic number.

50143 is a deficient number, since it is larger than the sum of its proper divisors (1265).

50143 is a wasteful number, since it uses less digits than its factorization.

50143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50143 is about 223.9263271703. The cubic root of 50143 is about 36.8754026577.

Adding to 50143 its reverse (34105), we get a palindrome (84248).

The spelling of 50143 in words is "fifty thousand, one hundred forty-three".

Divisors: 1 41 1223 50143