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42928016 = 242939157
BaseRepresentation
bin1010001111000…
…0011110010000
32222202222011112
42203300132100
541442144031
64132032452
71030611365
oct243603620
988688145
1042928016
11222604aa
1212462728
138b804c1
1459b646c
153b7e62b
hex28f0790

42928016 has 20 divisors (see below), whose sum is σ = 83466012. Its totient is φ = 21388416.

The previous prime is 42928001. The next prime is 42928019. The reversal of 42928016 is 61082924.

It can be written as a sum of positive squares in 2 ways, for example, as 24403600 + 18524416 = 4940^2 + 4304^2 .

It is not an unprimeable number, because it can be changed into a prime (42928019) 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 3 ways as a sum of consecutive naturals, for example, 110 + ... + 9266.

Almost surely, 242928016 is an apocalyptic number.

It is an amenable number.

42928016 is a deficient number, since it is larger than the sum of its proper divisors (40537996).

42928016 is a wasteful number, since it uses less digits than its factorization.

42928016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 42928016 is about 6551.9474967371. The cubic root of 42928016 is about 350.1442018044.

The spelling of 42928016 in words is "forty-two million, nine hundred twenty-eight thousand, sixteen".

Divisors: 1 2 4 8 16 293 586 1172 2344 4688 9157 18314 36628 73256 146512 2683001 5366002 10732004 21464008 42928016