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4442444111 = 75231213451
BaseRepresentation
bin1000010001100101…
…00101000101001111
3102110121020112200002
410020302211011033
533044231202421
62012452554515
7215042103050
oct41062450517
912417215602
104442444111
11197a70a016
12a3b922a3b
1355a4a4171
14302006727
151b001eb0b
hex108ca514f

4442444111 has 8 divisors (see below), whose sum is σ = 5086790784. Its totient is φ = 3800525400.

The previous prime is 4442444107. The next prime is 4442444113. The reversal of 4442444111 is 1114442444.

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 4442444111 - 22 = 4442444107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442444113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603065 + ... + 610386.

It is an arithmetic number, because the mean of its divisors is an integer number (635848848).

Almost surely, 24442444111 is an apocalyptic number.

4442444111 is a deficient number, since it is larger than the sum of its proper divisors (644346673).

4442444111 is a wasteful number, since it uses less digits than its factorization.

4442444111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213981.

The product of its digits is 8192, while the sum is 29.

The square root of 4442444111 is about 66651.6624773906. The cubic root of 4442444111 is about 1643.8946835475.

Adding to 4442444111 its reverse (1114442444), we get a palindrome (5556886555).

The spelling of 4442444111 in words is "four billion, four hundred forty-two million, four hundred forty-four thousand, one hundred eleven".

Divisors: 1 7 523 3661 1213451 8494157 634634873 4442444111