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1444425 = 35219259
BaseRepresentation
bin101100000101001001001
32201101101020
411200221021
5332210200
650543053
715164103
oct5405111
92641336
101444425
118a7244
12597a89
133b75b8
14298573
151d7ea0
hex160a49

1444425 has 12 divisors (see below), whose sum is σ = 2388240. Its totient is φ = 770320.

The previous prime is 1444411. The next prime is 1444441. The reversal of 1444425 is 5244441.

It is a happy number.

It is not a de Polignac number, because 1444425 - 29 = 1443913 is a prime.

1444425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1444395 and 1444404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9555 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (199020).

21444425 is an apocalyptic number.

1444425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444425 is a deficient number, since it is larger than the sum of its proper divisors (943815).

1444425 is a wasteful number, since it uses less digits than its factorization.

1444425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19272 (or 19267 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 1444425 is about 1201.8423357496. The cubic root of 1444425 is about 113.0398741990.

Adding to 1444425 its reverse (5244441), we get a palindrome (6688866).

The spelling of 1444425 in words is "one million, four hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 19259 57777 96295 288885 481475 1444425