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11804 = 2213227
BaseRepresentation
bin10111000011100
3121012012
42320130
5334204
6130352
746262
oct27034
917165
1011804
118961
1269b8
1354b0
144432
15376e
hex2e1c

11804 has 12 divisors (see below), whose sum is σ = 22344. Its totient is φ = 5424.

The previous prime is 11801. The next prime is 11807. The reversal of 11804 is 40811.

It is a happy number.

11804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11801) and next prime (11807).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11801) 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, 62 + ... + 165.

It is an arithmetic number, because the mean of its divisors is an integer number (1862).

211804 is an apocalyptic number.

It is an amenable number.

11804 is a deficient number, since it is larger than the sum of its proper divisors (10540).

11804 is a wasteful number, since it uses less digits than its factorization.

11804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 11804 is about 108.6462148443. The cubic root of 11804 is about 22.7689533315.

The spelling of 11804 in words is "eleven thousand, eight hundred four".

Divisors: 1 2 4 13 26 52 227 454 908 2951 5902 11804