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11442 = 231907
BaseRepresentation
bin10110010110010
3120200210
42302302
5331232
6124550
745234
oct26262
916623
1011442
118662
126756
135292
144254
1535cc
hex2cb2

11442 has 8 divisors (see below), whose sum is σ = 22896. Its totient is φ = 3812.

The previous prime is 11437. The next prime is 11443. The reversal of 11442 is 24411.

11442 is nontrivially palindromic in base 8.

11442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

11442 is an admirable number.

11442 is an undulating number in base 8.

It is a plaindrome in base 15.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (11443) by changing a digit.

11442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 948 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (2862).

211442 is an apocalyptic number.

11442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (11448).

11442 is a wasteful number, since it uses less digits than its factorization.

11442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its digits is 32, while the sum is 12.

The square root of 11442 is about 106.9672847183. The cubic root of 11442 is about 22.5337764308.

Adding to 11442 its reverse (24411), we get a palindrome (35853).

The spelling of 11442 in words is "eleven thousand, four hundred forty-two", and thus it is an iban number.

Divisors: 1 2 3 6 1907 3814 5721 11442