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444014013 = 3337439183
BaseRepresentation
bin11010011101110…
…001110110111101
31010221111020201110
4122131301312331
51402131422023
6112020432233
714001025332
oct3235616675
91127436643
10444014013
112086a8333
12104848679
1370cb21b1
1442d80989
1528ea9a93
hex1a771dbd

444014013 has 8 divisors (see below), whose sum is σ = 593776768. Its totient is φ = 295130304.

The previous prime is 444014009. The next prime is 444014033. The reversal of 444014013 is 310410444.

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

It is not a de Polignac number, because 444014013 - 22 = 444014009 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 (444014003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218581 + ... + 220602.

It is an arithmetic number, because the mean of its divisors is an integer number (74222096).

Almost surely, 2444014013 is an apocalyptic number.

It is an amenable number.

444014013 is a deficient number, since it is larger than the sum of its proper divisors (149762755).

444014013 is a wasteful number, since it uses less digits than its factorization.

444014013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439523.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 444014013 is about 21071.6400168568. The cubic root of 444014013 is about 762.8963882926.

Adding to 444014013 its reverse (310410444), we get a palindrome (754424457).

The spelling of 444014013 in words is "four hundred forty-four million, fourteen thousand, thirteen".

Divisors: 1 3 337 1011 439183 1317549 148004671 444014013