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BaseRepresentation
bin10101111100011110
311120022010
4111330132
510334021
61532050
7523026
oct257436
9146263
1089886
1161595
1244026
1331bb4
1424a86
151b976
hex15f1e

89886 has 16 divisors (see below), whose sum is σ = 183168. Its totient is φ = 29400.

The previous prime is 89867. The next prime is 89891. The reversal of 89886 is 68898.

It is a congruent number.

It is an unprimeable number.

89886 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (11448).

289886 is an apocalyptic number.

89886 is an abundant number, since it is smaller than the sum of its proper divisors (93282).

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 (91584).

89886 is a wasteful number, since it uses less digits than its factorization.

89886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its digits is 27648, while the sum is 39.

The square root of 89886 is about 299.8099397952. The cubic root of 89886 is about 44.7951179842.

The spelling of 89886 in words is "eighty-nine thousand, eight hundred eighty-six".