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42686759 is a prime number
BaseRepresentation
bin1010001011010…
…1100100100111
32222022201020002
42202311210213
541411434014
64122531515
71025555123
oct242654447
988281202
1042686759
1122106215
1212366b9b
138ac774b
145952583
153b32dde
hex28b5927

42686759 has 2 divisors, whose sum is σ = 42686760. Its totient is φ = 42686758.

The previous prime is 42686747. The next prime is 42686801. The reversal of 42686759 is 95768624.

42686759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42686759 - 28 = 42686503 is a prime.

It is a super-3 number, since 3×426867593 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42686159) 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, 21343379 + 21343380.

It is an arithmetic number, because the mean of its divisors is an integer number (21343380).

Almost surely, 242686759 is an apocalyptic number.

42686759 is a deficient number, since it is larger than the sum of its proper divisors (1).

42686759 is an equidigital number, since it uses as much as digits as its factorization.

42686759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 42686759 is about 6533.5104652859. The cubic root of 42686759 is about 349.4870281302.

The spelling of 42686759 in words is "forty-two million, six hundred eighty-six thousand, seven hundred fifty-nine".