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11303 = 89127
BaseRepresentation
bin10110000100111
3120111122
42300213
5330203
6124155
744645
oct26047
916448
1011303
118546
12665b
1351b6
144195
153538
hex2c27

11303 has 4 divisors (see below), whose sum is σ = 11520. Its totient is φ = 11088.

The previous prime is 11299. The next prime is 11311. The reversal of 11303 is 30311.

11303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30311 = 171783.

It is a cyclic number.

It is not a de Polignac number, because 11303 - 22 = 11299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11353) 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, 26 + ... + 152.

It is an arithmetic number, because the mean of its divisors is an integer number (2880).

211303 is an apocalyptic number.

11303 is a deficient number, since it is larger than the sum of its proper divisors (217).

11303 is an equidigital number, since it uses as much as digits as its factorization.

11303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 11303 is about 106.3155680039. The cubic root of 11303 is about 22.4421559460.

Adding to 11303 its reverse (30311), we get a palindrome (41614).

It can be divided in two parts, 11 and 303, that multiplied together give a palindrome (3333).

The spelling of 11303 in words is "eleven thousand, three hundred three", and thus it is an iban number.

Divisors: 1 89 127 11303