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444412441 = 1140401131
BaseRepresentation
bin11010011111010…
…011001000011001
31010222020111021001
4122133103020121
51402232144231
6112033145001
714004305044
oct3237231031
91128214231
10444412441
1120894a710
121049bb161
13710c1655
1443045c5b
1529037b61
hex1a7d3219

444412441 has 4 divisors (see below), whose sum is σ = 484813584. Its totient is φ = 404011300.

The previous prime is 444412421. The next prime is 444412457. The reversal of 444412441 is 144214444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444412441 - 27 = 444412313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444412421) 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, 20200555 + ... + 20200576.

It is an arithmetic number, because the mean of its divisors is an integer number (121203396).

Almost surely, 2444412441 is an apocalyptic number.

It is an amenable number.

444412441 is a deficient number, since it is larger than the sum of its proper divisors (40401143).

444412441 is a wasteful number, since it uses less digits than its factorization.

444412441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40401142.

The product of its digits is 8192, while the sum is 28.

The square root of 444412441 is about 21081.0920257941. The cubic root of 444412441 is about 763.1245105299.

Adding to 444412441 its reverse (144214444), we get a palindrome (588626885).

The spelling of 444412441 in words is "four hundred forty-four million, four hundred twelve thousand, four hundred forty-one".

Divisors: 1 11 40401131 444412441