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43026013 = 192339719
BaseRepresentation
bin1010010000100…
…0011001011101
32222221221121001
42210020121131
542003313023
64134110301
71031500162
oct244103135
988857531
1043026013
1122318098
12124ab391
138bb5ca4
145a00069
153b9d6ad
hex290865d

43026013 has 8 divisors (see below), whose sum is σ = 45489600. Its totient is φ = 40582368.

The previous prime is 43026001. The next prime is 43026019. The reversal of 43026013 is 31062034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43026013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43026019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 9286.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 243026013 is an apocalyptic number.

It is an amenable number.

43026013 is a deficient number, since it is larger than the sum of its proper divisors (2463587).

43026013 is a wasteful number, since it uses less digits than its factorization.

43026013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 43026013 is about 6559.4216970706. The cubic root of 43026013 is about 350.4104382268.

Adding to 43026013 its reverse (31062034), we get a palindrome (74088047).

The spelling of 43026013 in words is "forty-three million, twenty-six thousand, thirteen".

Divisors: 1 19 233 4427 9719 184661 2264527 43026013