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11789 is a prime number
BaseRepresentation
bin10111000001101
3121011122
42320031
5334124
6130325
746241
oct27015
917148
1011789
118948
1269a5
13549b
144421
15375e
hex2e0d

11789 has 2 divisors, whose sum is σ = 11790. Its totient is φ = 11788.

The previous prime is 11783. The next prime is 11801. The reversal of 11789 is 98711.

11789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6889 + 4900 = 83^2 + 70^2 .

It is an emirp because it is prime and its reverse (98711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11789 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11783) 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 as a sum of consecutive naturals, namely, 5894 + 5895.

It is an arithmetic number, because the mean of its divisors is an integer number (5895).

211789 is an apocalyptic number.

It is an amenable number.

11789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11789 is an equidigital number, since it uses as much as digits as its factorization.

11789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 26.

The square root of 11789 is about 108.5771615028. The cubic root of 11789 is about 22.7593046510.

The spelling of 11789 in words is "eleven thousand, seven hundred eighty-nine".