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42868433 is a prime number
BaseRepresentation
bin1010001110000…
…1111011010001
32222122221102202
42203201323101
541433242213
64130452545
71030242566
oct243417321
988587382
1042868433
112221a763
1212434155
138b5c34a
14599c86d
153b6bb58
hex28e1ed1

42868433 has 2 divisors, whose sum is σ = 42868434. Its totient is φ = 42868432.

The previous prime is 42868403. The next prime is 42868439. The reversal of 42868433 is 33486824.

42868433 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 can be written as a sum of positive squares in only one way, i.e., 28858384 + 14010049 = 5372^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 42868433 - 212 = 42864337 is a prime.

It is not a weakly prime, because it can be changed into another prime (42868439) 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, 21434216 + 21434217.

It is an arithmetic number, because the mean of its divisors is an integer number (21434217).

Almost surely, 242868433 is an apocalyptic number.

It is an amenable number.

42868433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42868433 is an equidigital number, since it uses as much as digits as its factorization.

42868433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 38.

The square root of 42868433 is about 6547.3989492011. The cubic root of 42868433 is about 349.9821296998.

The spelling of 42868433 in words is "forty-two million, eight hundred sixty-eight thousand, four hundred thirty-three".