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42888786 = 237148131
BaseRepresentation
bin1010001110011…
…0111001010010
32222200222100120
42203212321102
541434420121
64131131110
71030356123
oct243467122
988628316
1042888786
1122233a86
1212443a96
138b686a5
1459a604a
153b72bc6
hex28e6e52

42888786 has 8 divisors (see below), whose sum is σ = 85777584. Its totient is φ = 14296260.

The previous prime is 42888751. The next prime is 42888793. The reversal of 42888786 is 68788824.

42888786 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.

42888786 is an admirable number.

It is an unprimeable number.

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, 3574060 + ... + 3574071.

It is an arithmetic number, because the mean of its divisors is an integer number (10722198).

Almost surely, 242888786 is an apocalyptic number.

42888786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42888786 is a wasteful number, since it uses less digits than its factorization.

42888786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148136.

The product of its digits is 1376256, while the sum is 51.

The square root of 42888786 is about 6548.9530460983. The cubic root of 42888786 is about 350.0375089053.

The spelling of 42888786 in words is "forty-two million, eight hundred eighty-eight thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 7148131 14296262 21444393 42888786