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50493 = 316831
BaseRepresentation
bin1100010100111101
32120021010
430110331
53103433
61025433
7300132
oct142475
976233
1050493
1134a33
1225279
1319ca1
1414589
15ee63
hexc53d

50493 has 4 divisors (see below), whose sum is σ = 67328. Its totient is φ = 33660.

The previous prime is 50461. The next prime is 50497. The reversal of 50493 is 39405.

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 not a de Polignac number, because 50493 - 25 = 50461 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8413 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (16832).

250493 is an apocalyptic number.

It is an amenable number.

50493 is a deficient number, since it is larger than the sum of its proper divisors (16835).

50493 is a wasteful number, since it uses less digits than its factorization.

50493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16834.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 50493 is about 224.7064752071. The cubic root of 50493 is about 36.9610010317.

Adding to 50493 its reverse (39405), we get a palindrome (89898).

The spelling of 50493 in words is "fifty thousand, four hundred ninety-three".

Divisors: 1 3 16831 50493