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1144441 is a prime number
BaseRepresentation
bin100010111011001111001
32011010212201
410113121321
5243110231
640310201
712504364
oct4273171
92133781
101144441
11711921
12472361
13310bac
1421b0db
15179161
hex117679

1144441 has 2 divisors, whose sum is σ = 1144442. Its totient is φ = 1144440.

The previous prime is 1144439. The next prime is 1144453. The reversal of 1144441 is 1444411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960400 + 184041 = 980^2 + 429^2 .

It is an emirp because it is prime and its reverse (1444411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144441 - 21 = 1144439 is a prime.

Together with 1144439, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1144141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572220 + 572221.

It is an arithmetic number, because the mean of its divisors is an integer number (572221).

21144441 is an apocalyptic number.

It is an amenable number.

1144441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144441 is an equidigital number, since it uses as much as digits as its factorization.

1144441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 19.

The square root of 1144441 is about 1069.7854925171. The cubic root of 1144441 is about 104.5998678993.

Adding to 1144441 its reverse (1444411), we get a palindrome (2588852).

The spelling of 1144441 in words is "one million, one hundred forty-four thousand, four hundred forty-one".