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44424405 = 325987209
BaseRepresentation
bin1010100101110…
…1110011010101
310002120222211100
42221131303111
542333040110
64224100313
71046413134
oct251356325
9102528740
1044424405
1123092793
1212a64699
13928563c
145c8591b
153d77bc0
hex2a5dcd5

44424405 has 12 divisors (see below), whose sum is σ = 77002380. Its totient is φ = 23692992.

The previous prime is 44424379. The next prime is 44424407. The reversal of 44424405 is 50442444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20277009 + 24147396 = 4503^2 + 4914^2 .

It is not a de Polignac number, because 44424405 - 27 = 44424277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44424407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493560 + ... + 493649.

It is an arithmetic number, because the mean of its divisors is an integer number (6416865).

Almost surely, 244424405 is an apocalyptic number.

44424405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44424405 is a deficient number, since it is larger than the sum of its proper divisors (32577975).

44424405 is a wasteful number, since it uses less digits than its factorization.

44424405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987220 (or 987217 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 44424405 is about 6665.1635388788. The cubic root of 44424405 is about 354.1662773391.

Adding to 44424405 its reverse (50442444), we get a palindrome (94866849).

The spelling of 44424405 in words is "forty-four million, four hundred twenty-four thousand, four hundred five".

Divisors: 1 3 5 9 15 45 987209 2961627 4936045 8884881 14808135 44424405