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444104243 = 11217215899
BaseRepresentation
bin11010011110000…
…111111000110011
31010221122211111022
4122132013320303
51402142313433
6112022410055
714001552362
oct3236077063
91127584438
10444104243
1120875a100
1210489092b
137101429b
1442da57d9
1528ec6698
hex1a787e33

444104243 has 12 divisors (see below), whose sum is σ = 516864600. Its totient is φ = 379980480.

The previous prime is 444104239. The next prime is 444104257. The reversal of 444104243 is 342401444.

It is a happy number.

It is not a de Polignac number, because 444104243 - 22 = 444104239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444104273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105893 + ... + 110006.

It is an arithmetic number, because the mean of its divisors is an integer number (43072050).

Almost surely, 2444104243 is an apocalyptic number.

444104243 is a deficient number, since it is larger than the sum of its proper divisors (72760357).

444104243 is a wasteful number, since it uses less digits than its factorization.

444104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215938 (or 215927 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 444104243 is about 21073.7809374588. The cubic root of 444104243 is about 762.9480619462.

Adding to 444104243 its reverse (342401444), we get a palindrome (786505687).

The spelling of 444104243 in words is "four hundred forty-four million, one hundred four thousand, two hundred forty-three".

Divisors: 1 11 17 121 187 2057 215899 2374889 3670283 26123779 40373113 444104243