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444244423 = 7471350287
BaseRepresentation
bin11010011110101…
…010000111000111
31010221220221210011
4122132222013013
51402211310143
6112025411051
714003005150
oct3236520707
91127827704
10444244423
11208845457
12104939a87
137106302c
1443000927
1529002e9d
hex1a7aa1c7

444244423 has 8 divisors (see below), whose sum is σ = 518510592. Its totient is φ = 372678936.

The previous prime is 444244403. The next prime is 444244429. The reversal of 444244423 is 324442444.

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

It is a de Polignac number, because none of the positive numbers 2k-444244423 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 (444244429) 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, 674815 + ... + 675472.

It is an arithmetic number, because the mean of its divisors is an integer number (64813824).

Almost surely, 2444244423 is an apocalyptic number.

444244423 is a deficient number, since it is larger than the sum of its proper divisors (74266169).

444244423 is a wasteful number, since it uses less digits than its factorization.

444244423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350341.

The product of its digits is 49152, while the sum is 31.

The square root of 444244423 is about 21077.1066088303. The cubic root of 444244423 is about 763.0283274921.

Adding to 444244423 its reverse (324442444), we get a palindrome (768686867).

The spelling of 444244423 in words is "four hundred forty-four million, two hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 7 47 329 1350287 9452009 63463489 444244423