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444242422 = 21375722571
BaseRepresentation
bin11010011110101…
…001100111110110
31010221220212001001
4122132221213312
51402211224142
6112025353514
714002666261
oct3236514766
91127825031
10444242422
112088439a8
1210493889a
1371062150
1442dddcd8
15290025b7
hex1a7a99f6

444242422 has 16 divisors (see below), whose sum is σ = 718602192. Its totient is φ = 204755040.

The previous prime is 444242413. The next prime is 444242423. The reversal of 444242422 is 224242444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444242423) 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, 8397 + ... + 30967.

It is an arithmetic number, because the mean of its divisors is an integer number (44912637).

Almost surely, 2444242422 is an apocalyptic number.

444242422 is a deficient number, since it is larger than the sum of its proper divisors (274359770).

444242422 is a wasteful number, since it uses less digits than its factorization.

444242422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343.

The product of its digits is 16384, while the sum is 28.

The square root of 444242422 is about 21077.0591402121. The cubic root of 444242422 is about 763.0271818600.

Adding to 444242422 its reverse (224242444), we get a palindrome (668484866).

It can be divided in two parts, 4442 and 42422, that added together give a palindrome (46864).

The spelling of 444242422 in words is "four hundred forty-four million, two hundred forty-two thousand, four hundred twenty-two".

Divisors: 1 2 13 26 757 1514 9841 19682 22571 45142 293423 586846 17086247 34172494 222121211 444242422