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1444448 = 2545139
BaseRepresentation
bin101100000101001100000
32201101102002
411200221200
5332210243
650543132
715164135
oct5405140
92641362
101444448
118a7265
12597aa8
133b7605
1429858c
151d7eb8
hex160a60

1444448 has 12 divisors (see below), whose sum is σ = 2843820. Its totient is φ = 722208.

The previous prime is 1444447. The next prime is 1444459. The reversal of 1444448 is 8444441.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1444448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22538 + ... + 22601.

It is an arithmetic number, because the mean of its divisors is an integer number (236985).

21444448 is an apocalyptic number.

It is an amenable number.

1444448 is a deficient number, since it is larger than the sum of its proper divisors (1399372).

1444448 is an equidigital number, since it uses as much as digits as its factorization.

1444448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45149 (or 45141 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 1444448 is about 1201.8519043543. The cubic root of 1444448 is about 113.0404741848.

Adding to 1444448 its reverse (8444441), we get a palindrome (9888889).

The spelling of 1444448 in words is "one million, four hundred forty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 45139 90278 180556 361112 722224 1444448