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27930568 = 239735993
BaseRepresentation
bin110101010001…
…0111111001000
31221120000112111
41222202333020
524122234233
62434352104
7456256141
oct152427710
957500474
1027930568
1114847716
12942b634
135a2c083
1439d0ac8
1526baacd
hex1aa2fc8

27930568 has 16 divisors (see below), whose sum is σ = 52911180. Its totient is φ = 13820928.

The previous prime is 27930563. The next prime is 27930569. The reversal of 27930568 is 86503972.

It can be written as a sum of positive squares in 2 ways, for example, as 26853124 + 1077444 = 5182^2 + 1038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27930568.

It is not an unprimeable number, because it can be changed into a prime (27930563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17221 + ... + 18772.

Almost surely, 227930568 is an apocalyptic number.

It is an amenable number.

27930568 is a deficient number, since it is larger than the sum of its proper divisors (24980612).

27930568 is a wasteful number, since it uses less digits than its factorization.

27930568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36096 (or 36092 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 27930568 is about 5284.9378425862. The cubic root of 27930568 is about 303.4076936669.

The spelling of 27930568 in words is "twenty-seven million, nine hundred thirty thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 97 194 388 776 35993 71986 143972 287944 3491321 6982642 13965284 27930568