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1444339 = 13111103
BaseRepresentation
bin101100000100111110011
32201101021001
411200213303
5332204324
650542431
715163621
oct5404763
92641231
101444339
118a7176
12597a17
133b7550
14298511
151d7e44
hex1609f3

1444339 has 4 divisors (see below), whose sum is σ = 1555456. Its totient is φ = 1333224.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444339 is 9334441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444339 - 213 = 1436147 is a prime.

It is a super-2 number, since 2×14443392 = 4172230293842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55539 + ... + 55564.

It is an arithmetic number, because the mean of its divisors is an integer number (388864).

21444339 is an apocalyptic number.

1444339 is a deficient number, since it is larger than the sum of its proper divisors (111117).

1444339 is a wasteful number, since it uses less digits than its factorization.

1444339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111116.

The product of its digits is 5184, while the sum is 28.

The square root of 1444339 is about 1201.8065568135. The cubic root of 1444339 is about 113.0376307176.

The spelling of 1444339 in words is "one million, four hundred forty-four thousand, three hundred thirty-nine".

Divisors: 1 13 111103 1444339