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27668675 = 521106747
BaseRepresentation
bin110100110001…
…1000011000011
31221001201021202
41221203003003
524040344200
62425011415
7454115456
oct151430303
957051252
1027668675
1114688981
129323b6b
135969ac8
14396349d
1526681d5
hex1a630c3

27668675 has 6 divisors (see below), whose sum is σ = 34309188. Its totient is φ = 22134920.

The previous prime is 27668671. The next prime is 27668677. The reversal of 27668675 is 57686672.

It is not a de Polignac number, because 27668675 - 22 = 27668671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27668671) 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 5 ways as a sum of consecutive naturals, for example, 553349 + ... + 553398.

It is an arithmetic number, because the mean of its divisors is an integer number (5718198).

Almost surely, 227668675 is an apocalyptic number.

27668675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27668675 is a deficient number, since it is larger than the sum of its proper divisors (6640513).

27668675 is a wasteful number, since it uses less digits than its factorization.

27668675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106757 (or 1106752 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 27668675 is about 5260.1021853192. The cubic root of 27668675 is about 302.4564060759.

The spelling of 27668675 in words is "twenty-seven million, six hundred sixty-eight thousand, six hundred seventy-five".

Divisors: 1 5 25 1106747 5533735 27668675