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51234 = 238539
BaseRepresentation
bin1100100000100010
32121021120
430200202
53114414
61033110
7302241
oct144042
977246
1051234
1135547
1225796
131a421
1414958
15102a9
hexc822

51234 has 8 divisors (see below), whose sum is σ = 102480. Its totient is φ = 17076.

The previous prime is 51229. The next prime is 51239. The reversal of 51234 is 43215.

It is an interprime number because it is at equal distance from previous prime (51229) and next prime (51239).

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

51234 is an admirable number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (51239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4264 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

251234 is an apocalyptic number.

51234 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 (51240).

51234 is a wasteful number, since it uses less digits than its factorization.

51234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its digits is 120, while the sum is 15.

The square root of 51234 is about 226.3492876066. The cubic root of 51234 is about 37.1409283304.

Adding to 51234 its reverse (43215), we get a palindrome (94449).

The spelling of 51234 in words is "fifty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 8539 17078 25617 51234