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11293 = 23491
BaseRepresentation
bin10110000011101
3120111021
42300131
5330133
6124141
744632
oct26035
916437
1011293
118537
126651
1351a9
144189
15352d
hex2c1d

11293 has 4 divisors (see below), whose sum is σ = 11808. Its totient is φ = 10780.

The previous prime is 11287. The next prime is 11299. The reversal of 11293 is 39211.

11293 is nontrivially palindromic in base 3.

11293 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39211 = 113347.

It is an interprime number because it is at equal distance from previous prime (11287) and next prime (11299).

It is a cyclic number.

It is not a de Polignac number, because 11293 - 25 = 11261 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11299) 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, 223 + ... + 268.

It is an arithmetic number, because the mean of its divisors is an integer number (2952).

211293 is an apocalyptic number.

It is an amenable number.

11293 is a deficient number, since it is larger than the sum of its proper divisors (515).

11293 is an equidigital number, since it uses as much as digits as its factorization.

11293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its digits is 54, while the sum is 16.

The square root of 11293 is about 106.2685277963. The cubic root of 11293 is about 22.4355356453.

It can be divided in two parts, 11 and 293, that multiplied together give a palindrome (3223).

The spelling of 11293 in words is "eleven thousand, two hundred ninety-three".

Divisors: 1 23 491 11293