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444434111 = 111719432909
BaseRepresentation
bin11010011111011…
…000011010111111
31010222021120222122
4122133120122333
51402233342421
6112033433155
714004425162
oct3237303277
91128246878
10444434111
11208964a20
12104a0b7bb
13710cb484
144304dad9
152903e2ab
hex1a7d86bf

444434111 has 32 divisors (see below), whose sum is σ = 553132800. Its totient is φ = 351751680.

The previous prime is 444434101. The next prime is 444434113. The reversal of 444434111 is 111434444.

It is a cyclic number.

It is not a de Polignac number, because 444434111 - 218 = 444171967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444434113) 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 31 ways as a sum of consecutive naturals, for example, 151325 + ... + 154233.

It is an arithmetic number, because the mean of its divisors is an integer number (17285400).

Almost surely, 2444434111 is an apocalyptic number.

444434111 is a deficient number, since it is larger than the sum of its proper divisors (108698689).

444434111 is a wasteful number, since it uses less digits than its factorization.

444434111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its digits is 3072, while the sum is 26.

The square root of 444434111 is about 21081.6059872107. The cubic root of 444434111 is about 763.1369139025.

Adding to 444434111 its reverse (111434444), we get a palindrome (555868555).

The spelling of 444434111 in words is "four hundred forty-four million, four hundred thirty-four thousand, one hundred eleven".

Divisors: 1 11 17 19 43 187 209 323 473 731 817 2909 3553 8041 8987 13889 31999 49453 55271 125087 152779 543983 607981 939607 1375957 2126479 2376653 10335677 23391269 26143183 40403101 444434111