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14443641 = 326126309
BaseRepresentation
bin110111000110…
…010001111001
31000011210221200
4313012101321
512144144031
61233324413
7233524512
oct67062171
930153850
1014443641
1181757a3
124a06709
132cb9344
141cbda09
1514048e6
hexdc6479

14443641 has 12 divisors (see below), whose sum is σ = 21205860. Its totient is φ = 9470880.

The previous prime is 14443621. The next prime is 14443643. The reversal of 14443641 is 14634441.

14443641 is a `hidden beast` number, since 14 + 4 + 4 + 3 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 783225 + 13660416 = 885^2 + 3696^2 .

It is not a de Polignac number, because 14443641 - 217 = 14312569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14443643) 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 11 ways as a sum of consecutive naturals, for example, 12606 + ... + 13703.

It is an arithmetic number, because the mean of its divisors is an integer number (1767155).

Almost surely, 214443641 is an apocalyptic number.

It is an amenable number.

14443641 is a deficient number, since it is larger than the sum of its proper divisors (6762219).

14443641 is a wasteful number, since it uses less digits than its factorization.

14443641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26376 (or 26373 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 14443641 is about 3800.4790487516. The cubic root of 14443641 is about 243.5336036052.

The spelling of 14443641 in words is "fourteen million, four hundred forty-three thousand, six hundred forty-one".

Divisors: 1 3 9 61 183 549 26309 78927 236781 1604849 4814547 14443641