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1444423 = 2362801
BaseRepresentation
bin101100000101001000111
32201101101011
411200221013
5332210143
650543051
715164101
oct5405107
92641334
101444423
118a7242
12597a87
133b75b6
14298571
151d7e9d
hex160a47

1444423 has 4 divisors (see below), whose sum is σ = 1507248. Its totient is φ = 1381600.

The previous prime is 1444411. The next prime is 1444441. The reversal of 1444423 is 3244441.

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 1444423 - 213 = 1436231 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444394 and 1444403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444463) 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, 31378 + ... + 31423.

It is an arithmetic number, because the mean of its divisors is an integer number (376812).

21444423 is an apocalyptic number.

1444423 is a deficient number, since it is larger than the sum of its proper divisors (62825).

1444423 is an equidigital number, since it uses as much as digits as its factorization.

1444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62824.

The product of its digits is 1536, while the sum is 22.

The square root of 1444423 is about 1201.8415036934. The cubic root of 1444423 is about 113.0398220261.

Adding to 1444423 its reverse (3244441), we get a palindrome (4688864).

The spelling of 1444423 in words is "one million, four hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 23 62801 1444423