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42548285 = 5132431171
BaseRepresentation
bin1010001001001…
…1110000111101
32222001200021102
42202103300331
541343021120
64115542445
71024440323
oct242236075
988050242
1042548285
112202117a
12122baa25
138a79700
145917d13
153b06d75
hex2893c3d

42548285 has 24 divisors (see below), whose sum is σ = 56621664. Its totient is φ = 30663360.

The previous prime is 42548279. The next prime is 42548329. The reversal of 42548285 is 58284524.

42548285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42548285 - 216 = 42482749 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 35750 + ... + 36920.

It is an arithmetic number, because the mean of its divisors is an integer number (2359236).

Almost surely, 242548285 is an apocalyptic number.

It is an amenable number.

42548285 is a deficient number, since it is larger than the sum of its proper divisors (14073379).

42548285 is a wasteful number, since it uses less digits than its factorization.

42548285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1232 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 42548285 is about 6522.9046444050. The cubic root of 42548285 is about 349.1087118195.

The spelling of 42548285 in words is "forty-two million, five hundred forty-eight thousand, two hundred eighty-five".

Divisors: 1 5 13 43 65 169 215 559 845 1171 2795 5855 7267 15223 36335 50353 76115 197899 251765 654589 989495 3272945 8509657 42548285