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42443063 = 133264851
BaseRepresentation
bin1010000111101…
…0000100110111
32221212022221022
42201322010313
541331134223
64113411355
71023521465
oct241720467
987768838
1042443063
1121a5a113
1212269b5b
138a40850
1458cb835
153ad5ac8
hex287a137

42443063 has 4 divisors (see below), whose sum is σ = 45707928. Its totient is φ = 39178200.

The previous prime is 42443039. The next prime is 42443069. The reversal of 42443063 is 36034424.

42443063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42443063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42443069) 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 3 ways as a sum of consecutive naturals, for example, 1632413 + ... + 1632438.

It is an arithmetic number, because the mean of its divisors is an integer number (11426982).

Almost surely, 242443063 is an apocalyptic number.

42443063 is a deficient number, since it is larger than the sum of its proper divisors (3264865).

42443063 is a wasteful number, since it uses less digits than its factorization.

42443063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264864.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 42443063 is about 6514.8340730981. The cubic root of 42443063 is about 348.8206920669.

Adding to 42443063 its reverse (36034424), we get a palindrome (78477487).

The spelling of 42443063 in words is "forty-two million, four hundred forty-three thousand, sixty-three".

Divisors: 1 13 3264851 42443063