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14431443 = 3133773137
BaseRepresentation
bin110111000011…
…010011010011
31000011012012220
4313003103103
512143301233
61233152123
7233444115
oct67032323
930135186
1014431443
118167614
1249bb643
132cb3920
141cb93b5
151400eb3
hexdc34d3

14431443 has 32 divisors (see below), whose sum is σ = 21731136. Its totient is φ = 8460288.

The previous prime is 14431429. The next prime is 14431447. The reversal of 14431443 is 34413441.

It is not a de Polignac number, because 14431443 - 24 = 14431427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14431447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105271 + ... + 105407.

It is an arithmetic number, because the mean of its divisors is an integer number (679098).

Almost surely, 214431443 is an apocalyptic number.

14431443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14431443 is a deficient number, since it is larger than the sum of its proper divisors (7299693).

14431443 is a wasteful number, since it uses less digits than its factorization.

14431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its digits is 2304, while the sum is 24.

The square root of 14431443 is about 3798.8739120955. The cubic root of 14431443 is about 243.4650276475.

Adding to 14431443 its reverse (34413441), we get a palindrome (48844884).

The spelling of 14431443 in words is "fourteen million, four hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 3 13 37 39 73 111 137 219 411 481 949 1443 1781 2701 2847 5069 5343 8103 10001 15207 30003 35113 65897 105339 130013 197691 370037 390039 1110111 4810481 14431443