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43240113 = 3271993449
BaseRepresentation
bin1010010011110…
…0101010110001
310000100211021200
42210330222301
542032140423
64142441413
71033351320
oct244745261
9100324250
1043240113
1122453a34
1212593269
138c5c587
145a580b7
153be1d43
hex293cab1

43240113 has 24 divisors (see below), whose sum is σ = 71760000. Its totient is φ = 24577344.

The previous prime is 43240081. The next prime is 43240123. The reversal of 43240113 is 31104234.

43240113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43240113 - 25 = 43240081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43240123) 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 23 ways as a sum of consecutive naturals, for example, 10813 + ... + 14261.

It is an arithmetic number, because the mean of its divisors is an integer number (2990000).

Almost surely, 243240113 is an apocalyptic number.

It is an amenable number.

43240113 is a deficient number, since it is larger than the sum of its proper divisors (28519887).

43240113 is a wasteful number, since it uses less digits than its factorization.

43240113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 43240113 is about 6575.7214813281. The cubic root of 43240113 is about 350.9906978809.

Adding to 43240113 its reverse (31104234), we get a palindrome (74344347).

The spelling of 43240113 in words is "forty-three million, two hundred forty thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 63 199 597 1393 1791 3449 4179 10347 12537 24143 31041 72429 217287 686351 2059053 4804457 6177159 14413371 43240113