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11442223 = 135316607
BaseRepresentation
bin101011101001…
…100000101111
3210112022210001
4223221200233
510412122343
61045125131
7166154152
oct53514057
923468701
1011442223
116505791
1239b97a7
1324a8160
14173bc99
15101044d
hexae982f

11442223 has 8 divisors (see below), whose sum is σ = 12555648. Its totient is φ = 10362144.

The previous prime is 11442209. The next prime is 11442227. The reversal of 11442223 is 32224411.

11442223 is digitally balanced in base 3, 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.

It is not a de Polignac number, because 11442223 - 25 = 11442191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11442223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7615 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (1569456).

Almost surely, 211442223 is an apocalyptic number.

11442223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11442223 is a deficient number, since it is larger than the sum of its proper divisors (1113425).

11442223 is a wasteful number, since it uses less digits than its factorization.

11442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673.

The product of its digits is 384, while the sum is 19.

The square root of 11442223 is about 3382.6355109589. The cubic root of 11442223 is about 225.3392282127.

Adding to 11442223 its reverse (32224411), we get a palindrome (43666634).

The spelling of 11442223 in words is "eleven million, four hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 13 53 689 16607 215891 880171 11442223