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44442141 = 323644089
BaseRepresentation
bin1010100110001…
…0001000011101
310002121220011020
42221202020131
542334122031
64224314353
71046515632
oct251421035
9102556136
1044442141
11230a5047
1212a729b9
139290733
145c8c189
153d7d096
hex2a6221d

44442141 has 8 divisors (see below), whose sum is σ = 61832640. Its totient is φ = 28339872.

The previous prime is 44442137. The next prime is 44442173. The reversal of 44442141 is 14124444.

It is a happy number.

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

It is not a de Polignac number, because 44442141 - 22 = 44442137 is a prime.

It is a super-3 number, since 3×444421413 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442191) 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 7 ways as a sum of consecutive naturals, for example, 321976 + ... + 322113.

It is an arithmetic number, because the mean of its divisors is an integer number (7729080).

Almost surely, 244442141 is an apocalyptic number.

It is an amenable number.

44442141 is a deficient number, since it is larger than the sum of its proper divisors (17390499).

44442141 is a wasteful number, since it uses less digits than its factorization.

44442141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644115.

The product of its digits is 2048, while the sum is 24.

The square root of 44442141 is about 6666.4939060949. The cubic root of 44442141 is about 354.2134035177.

Adding to 44442141 its reverse (14124444), we get a palindrome (58566585).

The spelling of 44442141 in words is "forty-four million, four hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 23 69 644089 1932267 14814047 44442141