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42427037 is a prime number
BaseRepresentation
bin1010000111011…
…0001010011101
32221211111221202
42201312022131
541330131122
64113205245
71023423662
oct241661235
987744852
1042427037
1121a49074
1212260825
138a36473
1458c5a69
153ad0e92
hex287629d

42427037 has 2 divisors, whose sum is σ = 42427038. Its totient is φ = 42427036.

The previous prime is 42427009. The next prime is 42427043. The reversal of 42427037 is 73072424.

42427037 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., 30184036 + 12243001 = 5494^2 + 3499^2 .

It is a cyclic number.

It is not a de Polignac number, because 42427037 - 220 = 41378461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42427067) 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, 21213518 + 21213519.

It is an arithmetic number, because the mean of its divisors is an integer number (21213519).

Almost surely, 242427037 is an apocalyptic number.

It is an amenable number.

42427037 is a deficient number, since it is larger than the sum of its proper divisors (1).

42427037 is an equidigital number, since it uses as much as digits as its factorization.

42427037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 42427037 is about 6513.6039947175. The cubic root of 42427037 is about 348.7767830135.

The spelling of 42427037 in words is "forty-two million, four hundred twenty-seven thousand, thirty-seven".