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42783347 is a prime number
BaseRepresentation
bin1010001100110…
…1001001110011
32222111121201102
42203031021303
541423031342
64124555015
71026436535
oct243151163
988447642
1042783347
1122171842
12123b2a6b
138b2c6b9
145979855
153b51832
hex28cd273

42783347 has 2 divisors, whose sum is σ = 42783348. Its totient is φ = 42783346.

The previous prime is 42783341. The next prime is 42783353. The reversal of 42783347 is 74338724.

42783347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (42783341) and next prime (42783353).

It is a cyclic number.

It is not a de Polignac number, because 42783347 - 212 = 42779251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42783347.

It is not a weakly prime, because it can be changed into another prime (42783341) 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, 21391673 + 21391674.

It is an arithmetic number, because the mean of its divisors is an integer number (21391674).

Almost surely, 242783347 is an apocalyptic number.

42783347 is a deficient number, since it is larger than the sum of its proper divisors (1).

42783347 is an equidigital number, since it uses as much as digits as its factorization.

42783347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

The square root of 42783347 is about 6540.8980270296. The cubic root of 42783347 is about 349.7504261608.

The spelling of 42783347 in words is "forty-two million, seven hundred eighty-three thousand, three hundred forty-seven".