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27055689 = 359152857
BaseRepresentation
bin110011100110…
…1011001001001
31212220120102120
41213031121021
523411240224
62403521453
7445653363
oct147153111
955816376
1027055689
11142aa381
129089289
1357b3aab
143843d33
152596779
hex19cd649

27055689 has 8 divisors (see below), whose sum is σ = 36685920. Its totient is φ = 17731296.

The previous prime is 27055669. The next prime is 27055697. The reversal of 27055689 is 98655072.

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

It is not a de Polignac number, because 27055689 - 25 = 27055657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27055689.

It is not an unprimeable number, because it can be changed into a prime (27055669) 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 7 ways as a sum of consecutive naturals, for example, 76252 + ... + 76605.

It is an arithmetic number, because the mean of its divisors is an integer number (4585740).

Almost surely, 227055689 is an apocalyptic number.

It is an amenable number.

27055689 is a deficient number, since it is larger than the sum of its proper divisors (9630231).

27055689 is a wasteful number, since it uses less digits than its factorization.

27055689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152919.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 27055689 is about 5201.5083389340. The cubic root of 27055689 is about 300.2061139133.

The spelling of 27055689 in words is "twenty-seven million, fifty-five thousand, six hundred eighty-nine".

Divisors: 1 3 59 177 152857 458571 9018563 27055689