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42243035 = 58448607
BaseRepresentation
bin1010000100100…
…1001111011011
32221111011112212
42201021033123
541303234120
64105225335
71022026352
oct241111733
987434485
1042243035
11219328aa
121219224b
1389a07a3
145878999
153a966c5
hex28493db

42243035 has 4 divisors (see below), whose sum is σ = 50691648. Its totient is φ = 33794424.

The previous prime is 42243029. The next prime is 42243037. The reversal of 42243035 is 53034224.

42243035 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 42243035 - 214 = 42226651 is a prime.

It is a super-2 number, since 2×422430352 = 3568948012022450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42243035.

It is not an unprimeable number, because it can be changed into a prime (42243037) 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, 4224299 + ... + 4224308.

It is an arithmetic number, because the mean of its divisors is an integer number (12672912).

Almost surely, 242243035 is an apocalyptic number.

42243035 is a deficient number, since it is larger than the sum of its proper divisors (8448613).

42243035 is an equidigital number, since it uses as much as digits as its factorization.

42243035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448612.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42243035 is about 6499.4642086867. The cubic root of 42243035 is about 348.2718485121.

Adding to 42243035 its reverse (53034224), we get a palindrome (95277259).

The spelling of 42243035 in words is "forty-two million, two hundred forty-three thousand, thirty-five".

Divisors: 1 5 8448607 42243035