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2444005 = 51728753
BaseRepresentation
bin1001010100101011100101
311121011112201
421110223211
51111202010
6124214501
726526244
oct11245345
94534481
102444005
11141a243
1299a431
13677575
1447895b
1533423a
hex254ae5

2444005 has 8 divisors (see below), whose sum is σ = 3105432. Its totient is φ = 1840128.

The previous prime is 2443999. The next prime is 2444017. The reversal of 2444005 is 5004442.

2444005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 1366561 = 1038^2 + 1169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2444005 - 23 = 2443997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14292 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (388179).

22444005 is an apocalyptic number.

It is an amenable number.

2444005 is a deficient number, since it is larger than the sum of its proper divisors (661427).

2444005 is a wasteful number, since it uses less digits than its factorization.

2444005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2444005 is about 1563.3313788190. The cubic root of 2444005 is about 134.6999279287.

Adding to 2444005 its reverse (5004442), we get a palindrome (7448447).

The spelling of 2444005 in words is "two million, four hundred forty-four thousand, five".

Divisors: 1 5 17 85 28753 143765 488801 2444005