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27968011 = 671014133
BaseRepresentation
bin110101010110…
…0001000001011
31221121220220021
41222230020023
524124434021
62435241311
7456503251
oct152541013
957556807
1027968011
1114872865
129449237
135a43126
143a005d1
1526c6c41
hex1aac20b

27968011 has 8 divisors (see below), whose sum is σ = 28673424. Its totient is φ = 27271200.

The previous prime is 27967987. The next prime is 27968033. The reversal of 27968011 is 11086972.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27968011 - 213 = 27959819 is a prime.

It is a super-2 number, since 2×279680112 = 1564419278592242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27968071) 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, 4701 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (3584178).

Almost surely, 227968011 is an apocalyptic number.

27968011 is a deficient number, since it is larger than the sum of its proper divisors (705413).

27968011 is a wasteful number, since it uses less digits than its factorization.

27968011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 27968011 is about 5288.4790819289. The cubic root of 27968011 is about 303.5432133064.

The spelling of 27968011 in words is "twenty-seven million, nine hundred sixty-eight thousand, eleven".

Divisors: 1 67 101 4133 6767 276911 417433 27968011