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BaseRepresentation
bin1100100000111010
32121022110
430200322
53120013
61033150
7302304
oct144072
977273
1051258
1135569
12257b6
131a43c
1414974
15102c3
hexc83a

51258 has 8 divisors (see below), whose sum is σ = 102528. Its totient is φ = 17084.

The previous prime is 51257. The next prime is 51263. The reversal of 51258 is 85215.

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

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (51257) 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, 4266 + ... + 4277.

It is an arithmetic number, because the mean of its divisors is an integer number (12816).

251258 is an apocalyptic number.

51258 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 (51264).

51258 is a wasteful number, since it uses less digits than its factorization.

51258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548.

The product of its digits is 400, while the sum is 21.

The square root of 51258 is about 226.4022968081. The cubic root of 51258 is about 37.1467268439.

The spelling of 51258 in words is "fifty-one thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 8543 17086 25629 51258