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52386 = 238731

52386 has 8 divisors (see below), whose sum is σ = 104784. Its totient is φ = 17460.

The previous prime is 52379. The next prime is 52387. The reversal of 52386 is 68325.

It is a sphenic number, since it is the product of 3 distinct primes.

52386 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 52386.

It is not an unprimeable number, because it can be changed into a prime (52387) by changing a digit.

52386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4360 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (13098).

252386 is an apocalyptic number.

52386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52392).

52386 is a wasteful number, since it uses less digits than its factorization.

52386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its digits is 1440, while the sum is 24.

The square root of 52386 is about 228.8798811604. The cubic root of 52386 is about 37.4172397095.

The spelling of 52386 in words is "fifty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 8731 17462 26193 52386