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27986027 = 1031671627
BaseRepresentation
bin110101011000…
…0100001101011
31221122211121112
41222300201223
524131023102
62435500535
7456606626
oct152604153
957584545
1027986027
1114885353
12945774b
135a4b3a4
143a06dbd
1526cc252
hex1ab086b

27986027 has 8 divisors (see below), whose sum is σ = 28444416. Its totient is φ = 27531432.

The previous prime is 27986011. The next prime is 27986033. The reversal of 27986027 is 72068972.

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 27986027 - 24 = 27986011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27986047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16388 + ... + 18014.

It is an arithmetic number, because the mean of its divisors is an integer number (3555552).

Almost surely, 227986027 is an apocalyptic number.

27986027 is a deficient number, since it is larger than the sum of its proper divisors (458389).

27986027 is a wasteful number, since it uses less digits than its factorization.

27986027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 27986027 is about 5290.1821329705. The cubic root of 27986027 is about 303.6083765712.

The spelling of 27986027 in words is "twenty-seven million, nine hundred eighty-six thousand, twenty-seven".

Divisors: 1 103 167 1627 17201 167581 271709 27986027