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42907267 = 133300559
BaseRepresentation
bin1010001110101…
…1011010000011
32222201220201001
42203223122003
541441013032
64131352431
71030464034
oct243533203
988656631
1042907267
1122246957
1212452717
138b73c20
1459aca8b
153b783e7
hex28eb683

42907267 has 4 divisors (see below), whose sum is σ = 46207840. Its totient is φ = 39606696.

The previous prime is 42907261. The next prime is 42907289. The reversal of 42907267 is 76270924.

It is a happy number.

42907267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42907267 - 219 = 42382979 is a prime.

It is a super-2 number, since 2×429072672 = 3682067122818578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42907261) 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 in 3 ways as a sum of consecutive naturals, for example, 1650267 + ... + 1650292.

It is an arithmetic number, because the mean of its divisors is an integer number (11551960).

Almost surely, 242907267 is an apocalyptic number.

42907267 is a deficient number, since it is larger than the sum of its proper divisors (3300573).

42907267 is a wasteful number, since it uses less digits than its factorization.

42907267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300572.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 42907267 is about 6550.3638830221. The cubic root of 42907267 is about 350.0877793438.

The spelling of 42907267 in words is "forty-two million, nine hundred seven thousand, two hundred sixty-seven".

Divisors: 1 13 3300559 42907267