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42754542 = 2322731391
BaseRepresentation
bin1010001100011…
…0000111101110
32222110011012120
42203012013232
541421121132
64124213410
71026256545
oct243060756
988404176
1042754542
1122152136
121239a266
138b1c55c
14596d15c
153b4802c
hex28c61ee

42754542 has 16 divisors (see below), whose sum is σ = 85888512. Its totient is φ = 14188280.

The previous prime is 42754511. The next prime is 42754559. The reversal of 42754542 is 24545724.

42754542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 14334 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (5368032).

Almost surely, 242754542 is an apocalyptic number.

42754542 is an abundant number, since it is smaller than the sum of its proper divisors (43133970).

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

42754542 is a wasteful number, since it uses less digits than its factorization.

42754542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31623.

The product of its digits is 44800, while the sum is 33.

The square root of 42754542 is about 6538.6957415069. The cubic root of 42754542 is about 349.6719156844.

The spelling of 42754542 in words is "forty-two million, seven hundred fifty-four thousand, five hundred forty-two".

Divisors: 1 2 3 6 227 454 681 1362 31391 62782 94173 188346 7125757 14251514 21377271 42754542