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42678282 = 2373139701
BaseRepresentation
bin1010001011001…
…1100000001010
32222022021121010
42202303200022
541411201112
64122424350
71025521323
oct242634012
988267533
1042678282
11220aa909
12123620b6
138ac392a
14594d44a
153b3063c
hex28b380a

42678282 has 32 divisors (see below), whose sum is σ = 87272640. Its totient is φ = 13910400.

The previous prime is 42678281. The next prime is 42678301. The reversal of 42678282 is 28287624.

It is a self number, because there is not a number n which added to its sum of digits gives 42678282.

It is not an unprimeable number, because it can be changed into a prime (42678281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60532 + ... + 61232.

It is an arithmetic number, because the mean of its divisors is an integer number (2727270).

Almost surely, 242678282 is an apocalyptic number.

42678282 is an abundant number, since it is smaller than the sum of its proper divisors (44594358).

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

42678282 is a wasteful number, since it uses less digits than its factorization.

42678282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 86016, while the sum is 39.

The square root of 42678282 is about 6532.8617006638. The cubic root of 42678282 is about 349.4638921684.

The spelling of 42678282 in words is "forty-two million, six hundred seventy-eight thousand, two hundred eighty-two".

Divisors: 1 2 3 6 73 139 146 219 278 417 438 701 834 1402 2103 4206 10147 20294 30441 51173 60882 97439 102346 153519 194878 292317 307038 584634 7113047 14226094 21339141 42678282