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89286 = 2323647
BaseRepresentation
bin10101110011000110
311112110220
4111303012
510324121
61525210
7521211
oct256306
9145426
1089286
116109a
1243806
1331842
1424778
151b6c6
hex15cc6

89286 has 16 divisors (see below), whose sum is σ = 186624. Its totient is φ = 28424.

The previous prime is 89273. The next prime is 89293. The reversal of 89286 is 68298.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89286.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186 + ... + 461.

It is an arithmetic number, because the mean of its divisors is an integer number (11664).

289286 is an apocalyptic number.

89286 is an abundant number, since it is smaller than the sum of its proper divisors (97338).

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 (93312).

89286 is a wasteful number, since it uses less digits than its factorization.

89286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its digits is 6912, while the sum is 33.

The square root of 89286 is about 298.8076304247. The cubic root of 89286 is about 44.6952244296.

Subtracting from 89286 its sum of digits (33), we obtain a triangular number (89253 = T422).

The spelling of 89286 in words is "eighty-nine thousand, two hundred eighty-six".

Divisors: 1 2 3 6 23 46 69 138 647 1294 1941 3882 14881 29762 44643 89286