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11444223 = 37544963
BaseRepresentation
bin101011101001…
…111111111111
3210112102112010
4223221333333
510412203343
61045142303
7166163040
oct53517777
923472463
1011444223
11650723a
1239ba993
1324a903b
14173c8c7
151010d33
hexae9fff

11444223 has 8 divisors (see below), whose sum is σ = 17438848. Its totient is φ = 6539544.

The previous prime is 11444197. The next prime is 11444263. The reversal of 11444223 is 32244411.

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

It is not a de Polignac number, because 11444223 - 26 = 11444159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 544963 = 11444223 / (1 + 1 + 4 + 4 + 4 + 2 + 2 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 11444223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272461 + ... + 272502.

It is an arithmetic number, because the mean of its divisors is an integer number (2179856).

Almost surely, 211444223 is an apocalyptic number.

11444223 is a deficient number, since it is larger than the sum of its proper divisors (5994625).

11444223 is an equidigital number, since it uses as much as digits as its factorization.

11444223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544973.

The product of its digits is 768, while the sum is 21.

The square root of 11444223 is about 3382.9311255182. The cubic root of 11444223 is about 225.3523565533.

Adding to 11444223 its reverse (32244411), we get a palindrome (43688634).

The spelling of 11444223 in words is "eleven million, four hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 3 7 21 544963 1634889 3814741 11444223