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42864304 = 2471920143
BaseRepresentation
bin1010001110000…
…0111010110000
32222122201202211
42203200322300
541433124204
64130421504
71030224550
oct243407260
988581684
1042864304
112221764a
1212431894
138b5a4c2
14599b160
153b6a804
hex28e0eb0

42864304 has 40 divisors (see below), whose sum is σ = 99914240. Its totient is φ = 17402688.

The previous prime is 42864301. The next prime is 42864331. The reversal of 42864304 is 40346824.

It is not an unprimeable number, because it can be changed into a prime (42864301) 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 7 ways as a sum of consecutive naturals, for example, 7944 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (2497856).

Almost surely, 242864304 is an apocalyptic number.

It is an amenable number.

42864304 is an abundant number, since it is smaller than the sum of its proper divisors (57049936).

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

42864304 is a wasteful number, since it uses less digits than its factorization.

42864304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177 (or 20171 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 42864304 is about 6547.0836255542. The cubic root of 42864304 is about 349.9708928175.

The spelling of 42864304 in words is "forty-two million, eight hundred sixty-four thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 20143 40286 80572 141001 161144 282002 322288 382717 564004 765434 1128008 1530868 2256016 2679019 3061736 5358038 6123472 10716076 21432152 42864304