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42430241 = 76061463
BaseRepresentation
bin1010000111011…
…0111100100001
32221211200100102
42201312330201
541330231431
64113232145
71023436220
oct241667441
987750312
1042430241
1121a50517
1212262655
138a37a69
1458c6cb7
153ad1dcb
hex2876f21

42430241 has 4 divisors (see below), whose sum is σ = 48491712. Its totient is φ = 36368772.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430241 is 14203424.

42430241 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42430241 - 214 = 42413857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42430261) 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, 3030725 + ... + 3030738.

It is an arithmetic number, because the mean of its divisors is an integer number (12122928).

Almost surely, 242430241 is an apocalyptic number.

It is an amenable number.

42430241 is a deficient number, since it is larger than the sum of its proper divisors (6061471).

42430241 is an equidigital number, since it uses as much as digits as its factorization.

42430241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061470.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42430241 is about 6513.8499368653. The cubic root of 42430241 is about 348.7855624206.

Adding to 42430241 its reverse (14203424), we get a palindrome (56633665).

The spelling of 42430241 in words is "forty-two million, four hundred thirty thousand, two hundred forty-one".

Divisors: 1 7 6061463 42430241