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1444427 = 9714891
BaseRepresentation
bin101100000101001001011
32201101101022
411200221023
5332210202
650543055
715164105
oct5405113
92641338
101444427
118a7246
12597a8b
133b75ba
14298575
151d7ea2
hex160a4b

1444427 has 4 divisors (see below), whose sum is σ = 1459416. Its totient is φ = 1429440.

The previous prime is 1444411. The next prime is 1444441. The reversal of 1444427 is 7244441.

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 1444427 - 24 = 1444411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444396 and 1444405.

It is not an unprimeable number, because it can be changed into a prime (1444447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7349 + ... + 7542.

It is an arithmetic number, because the mean of its divisors is an integer number (364854).

21444427 is an apocalyptic number.

1444427 is a deficient number, since it is larger than the sum of its proper divisors (14989).

1444427 is an equidigital number, since it uses as much as digits as its factorization.

1444427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14988.

The product of its digits is 3584, while the sum is 26.

The square root of 1444427 is about 1201.8431678052. The cubic root of 1444427 is about 113.0399263720.

Adding to 1444427 its reverse (7244441), we get a palindrome (8688868).

The spelling of 1444427 in words is "one million, four hundred forty-four thousand, four hundred twenty-seven".

Divisors: 1 97 14891 1444427