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42330229 is a prime number
BaseRepresentation
bin1010000101111…
…0100001110101
32221122121011021
42201132201311
541314031404
64111141141
71022541514
oct241364165
987577137
1042330229
1121992367
12122147b1
138a01396
14589c67b
153ab2454
hex285e875

42330229 has 2 divisors, whose sum is σ = 42330230. Its totient is φ = 42330228.

The previous prime is 42330209. The next prime is 42330241. The reversal of 42330229 is 92203324.

42330229 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., 40666129 + 1664100 = 6377^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 42330229 - 221 = 40233077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42330209) 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, 21165114 + 21165115.

It is an arithmetic number, because the mean of its divisors is an integer number (21165115).

Almost surely, 242330229 is an apocalyptic number.

It is an amenable number.

42330229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42330229 is an equidigital number, since it uses as much as digits as its factorization.

42330229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 42330229 is about 6506.1685345524. The cubic root of 42330229 is about 348.5113068890.

The spelling of 42330229 in words is "forty-two million, three hundred thirty thousand, two hundred twenty-nine".