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42244043 = 191221173
BaseRepresentation
bin1010000100100…
…1011111001011
32221111012221012
42201021133023
541303302133
64105234135
71022032322
oct241113713
987435835
1042244043
1121933636
121219294b
1389a109a
1458790b9
153a96b48
hex28497cb

42244043 has 4 divisors (see below), whose sum is σ = 42465408. Its totient is φ = 42022680.

The previous prime is 42244009. The next prime is 42244057. The reversal of 42244043 is 34044224.

42244043 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 not a de Polignac number, because 42244043 - 28 = 42243787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42244003) 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, 110396 + ... + 110777.

It is an arithmetic number, because the mean of its divisors is an integer number (10616352).

Almost surely, 242244043 is an apocalyptic number.

42244043 is a deficient number, since it is larger than the sum of its proper divisors (221365).

42244043 is a wasteful number, since it uses less digits than its factorization.

42244043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221364.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 42244043 is about 6499.5417530777. The cubic root of 42244043 is about 348.2746186353.

Adding to 42244043 its reverse (34044224), we get a palindrome (76288267).

The spelling of 42244043 in words is "forty-two million, two hundred forty-four thousand, forty-three".

Divisors: 1 191 221173 42244043