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26286 = 2313337
BaseRepresentation
bin110011010101110
31100001120
412122232
51320121
6321410
7136431
oct63256
940046
1026286
1118827
1213266
13bc70
149818
157bc6
hex66ae

26286 has 16 divisors (see below), whose sum is σ = 56784. Its totient is φ = 8064.

The previous prime is 26267. The next prime is 26293. The reversal of 26286 is 68262.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

26286 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91 + ... + 246.

It is an arithmetic number, because the mean of its divisors is an integer number (3549).

226286 is an apocalyptic number.

26286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26286 is an abundant number, since it is smaller than the sum of its proper divisors (30498).

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 (28392).

26286 is a wasteful number, since it uses less digits than its factorization.

26286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its digits is 1152, while the sum is 24.

The square root of 26286 is about 162.1295778074. The cubic root of 26286 is about 29.7331896651.

Subtracting from 26286 its sum of digits (24), we obtain a palindrome (26262).

The spelling of 26286 in words is "twenty-six thousand, two hundred eighty-six".