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42054695 = 5192231013
BaseRepresentation
bin1010000001101…
…1010000100111
32221010121012022
42200123100213
541231222240
64101213355
71020313304
oct240332047
987117168
1042054695
1121814351
121210125b
138935b47
14582a0ab
153a5a9b5
hex281b427

42054695 has 24 divisors (see below), whose sum is σ = 55632096. Its totient is φ = 30457152.

The previous prime is 42054673. The next prime is 42054697. The reversal of 42054695 is 59645024.

It is a happy number.

It is not a de Polignac number, because 42054695 - 212 = 42050599 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41009 + ... + 42021.

It is an arithmetic number, because the mean of its divisors is an integer number (2318004).

Almost surely, 242054695 is an apocalyptic number.

42054695 is a deficient number, since it is larger than the sum of its proper divisors (13577401).

42054695 is a wasteful number, since it uses less digits than its factorization.

42054695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 42054695 is about 6484.9591363400. The cubic root of 42054695 is about 347.7534889393.

The spelling of 42054695 in words is "forty-two million, fifty-four thousand, six hundred ninety-five".

Divisors: 1 5 19 23 95 115 361 437 1013 1805 2185 5065 8303 19247 23299 41515 96235 116495 365693 442681 1828465 2213405 8410939 42054695