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44243321 = 257172153
BaseRepresentation
bin1010100011000…
…1100101111001
310002020210102112
42220301211321
542311241241
64220142105
71045030163
oct250614571
9102223375
1044243321
1122a79731
1212997935
1392210a5
145c39933
153d3e1eb
hex2a31979

44243321 has 4 divisors (see below), whose sum is σ = 44415732. Its totient is φ = 44070912.

The previous prime is 44243317. The next prime is 44243347. The reversal of 44243321 is 12334244.

44243321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36735721 + 7507600 = 6061^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 44243321 - 22 = 44243317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44243351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85820 + ... + 86333.

It is an arithmetic number, because the mean of its divisors is an integer number (11103933).

Almost surely, 244243321 is an apocalyptic number.

It is an amenable number.

44243321 is a deficient number, since it is larger than the sum of its proper divisors (172411).

44243321 is a wasteful number, since it uses less digits than its factorization.

44243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172410.

The product of its digits is 2304, while the sum is 23.

The square root of 44243321 is about 6651.5653044979. The cubic root of 44243321 is about 353.6844011764.

Adding to 44243321 its reverse (12334244), we get a palindrome (56577565).

The spelling of 44243321 in words is "forty-four million, two hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 257 172153 44243321