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2444885 = 571297
BaseRepresentation
bin1001010100111001010101
311121012202022
421110321111
51111214020
6124222525
726531642
oct11247125
94535668
102444885
11141a973
1299aa45
13677aa1
14478dc9
15334625
hex254e55

2444885 has 12 divisors (see below), whose sum is σ = 3006444. Its totient is φ = 1908480.

The previous prime is 2444881. The next prime is 2444887. The reversal of 2444885 is 5884442.

2444885 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 2 ways, for example, as 988036 + 1456849 = 994^2 + 1207^2 .

It is not a de Polignac number, because 2444885 - 22 = 2444881 is a prime.

It is a d-powerful number, because it can be written as 25 + 47 + 48 + 49 + 83 + 87 + 55 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444881) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25157 + ... + 25253.

It is an arithmetic number, because the mean of its divisors is an integer number (250537).

22444885 is an apocalyptic number.

It is an amenable number.

2444885 is a deficient number, since it is larger than the sum of its proper divisors (561559).

2444885 is an frugal number, since it uses more digits than its factorization.

2444885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 173 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 2444885 is about 1563.6128037337. The cubic root of 2444885 is about 134.7160928865.

The spelling of 2444885 in words is "two million, four hundred forty-four thousand, eight hundred eighty-five".

Divisors: 1 5 71 97 355 485 5041 6887 25205 34435 488977 2444885