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4444444443 = 31481481481
BaseRepresentation
bin1000010001110100…
…01101011100011011
3102110202000011121110
410020322031130123
533100234210233
62013003511403
7215065103655
oct41072153433
912422004543
104444444443
11198085598a
12a40528563
1355aa247aa
143023a76d5
151b02b7663
hex108e8d71b

4444444443 has 4 divisors (see below), whose sum is σ = 5925925928. Its totient is φ = 2962962960.

The previous prime is 4444444429. The next prime is 4444444447. The reversal of 4444444443 is 3444444444.

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

It is not a de Polignac number, because 4444444443 - 29 = 4444443931 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4444444447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740740738 + ... + 740740743.

It is an arithmetic number, because the mean of its divisors is an integer number (1481481482).

Almost surely, 24444444443 is an apocalyptic number.

4444444443 is a deficient number, since it is larger than the sum of its proper divisors (1481481485).

4444444443 is a wasteful number, since it uses less digits than its factorization.

4444444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481481484.

The product of its digits is 786432, while the sum is 39.

The square root of 4444444443 is about 66666.6666558333. Note that the first 4 decimals coincide. The cubic root of 4444444443 is about 1644.1413827089.

Adding to 4444444443 its reverse (3444444444), we get a palindrome (7888888887).

Subtracting from 4444444443 its reverse (3444444444), we obtain a palindrome (999999999).

The spelling of 4444444443 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".

Divisors: 1 3 1481481481 4444444443