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42424667 is a prime number
BaseRepresentation
bin1010000111010…
…1100101011011
32221211101200222
42201311211123
541330042132
64113150255
71023414035
oct241654533
987741628
1042424667
1121a4730a
121225b38b
138a3536c
1458c4c55
153ad0412
hex287595b

42424667 has 2 divisors, whose sum is σ = 42424668. Its totient is φ = 42424666.

The previous prime is 42424661. The next prime is 42424687. The reversal of 42424667 is 76642424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42424667 - 28 = 42424411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42424661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212333 + 21212334.

It is an arithmetic number, because the mean of its divisors is an integer number (21212334).

Almost surely, 242424667 is an apocalyptic number.

42424667 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424667 is an equidigital number, since it uses as much as digits as its factorization.

42424667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 42424667 is about 6513.4220652434. The cubic root of 42424667 is about 348.7702885984.

The spelling of 42424667 in words is "forty-two million, four hundred twenty-four thousand, six hundred sixty-seven".