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42742203 = 372035343
BaseRepresentation
bin1010001100001…
…1000110111011
32222102112021120
42203003012323
541420222303
64124040323
71026205560
oct243030673
988375246
1042742203
1122143939
12123930a3
138b16a5a
145968867
153b44553
hex28c31bb

42742203 has 8 divisors (see below), whose sum is σ = 65131008. Its totient is φ = 24424104.

The previous prime is 42742169. The next prime is 42742207. The reversal of 42742203 is 30224724.

42742203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42742203 - 28 = 42741947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42742207) 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 7 ways as a sum of consecutive naturals, for example, 1017651 + ... + 1017692.

It is an arithmetic number, because the mean of its divisors is an integer number (8141376).

Almost surely, 242742203 is an apocalyptic number.

42742203 is a deficient number, since it is larger than the sum of its proper divisors (22388805).

42742203 is a wasteful number, since it uses less digits than its factorization.

42742203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035353.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42742203 is about 6537.7521366292. The cubic root of 42742203 is about 349.6382739028.

Adding to 42742203 its reverse (30224724), we get a palindrome (72966927).

The spelling of 42742203 in words is "forty-two million, seven hundred forty-two thousand, two hundred three".

Divisors: 1 3 7 21 2035343 6106029 14247401 42742203