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42420683 is a prime number
BaseRepresentation
bin1010000111010…
…0100111001011
32221211012020102
42201310213023
541324430213
64113120015
71023366314
oct241644713
987735212
1042420683
1121a44318
121225900b
138a335c6
1458c360b
153ace158
hex28749cb

42420683 has 2 divisors, whose sum is σ = 42420684. Its totient is φ = 42420682.

The previous prime is 42420659. The next prime is 42420701. The reversal of 42420683 is 38602424.

42420683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42420683 - 26 = 42420619 is a prime.

It is not a weakly prime, because it can be changed into another prime (42423683) 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 as a sum of consecutive naturals, namely, 21210341 + 21210342.

It is an arithmetic number, because the mean of its divisors is an integer number (21210342).

Almost surely, 242420683 is an apocalyptic number.

42420683 is a deficient number, since it is larger than the sum of its proper divisors (1).

42420683 is an equidigital number, since it uses as much as digits as its factorization.

42420683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 42420683 is about 6513.1162280432. The cubic root of 42420683 is about 348.7593708594.

The spelling of 42420683 in words is "forty-two million, four hundred twenty thousand, six hundred eighty-three".