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91092 = 2237591
BaseRepresentation
bin10110001111010100
311121221210
4112033110
510403332
61541420
7526401
oct261724
9147853
1091092
1162491
1244870
1332601
14252a8
151becc
hex163d4

91092 has 12 divisors (see below), whose sum is σ = 212576. Its totient is φ = 30360.

The previous prime is 91081. The next prime is 91097. The reversal of 91092 is 29019.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 91092.

It is not an unprimeable number, because it can be changed into a prime (91097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3784 + ... + 3807.

291092 is an apocalyptic number.

It is an amenable number.

91092 is an abundant number, since it is smaller than the sum of its proper divisors (121484).

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 (106288).

91092 is a wasteful number, since it uses less digits than its factorization.

91092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7596 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 91092 is about 301.8145125735. The cubic root of 91092 is about 44.9945672454.

The spelling of 91092 in words is "ninety-one thousand, ninety-two".

Divisors: 1 2 3 4 6 12 7591 15182 22773 30364 45546 91092