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27147908 = 2211935689
BaseRepresentation
bin110011110001…
…1111010000100
31220002020221002
41213203322010
523422213113
62405512432
7446516264
oct147437204
956066832
1027147908
1114362697
129112718
135816a68
1438697a4
1525b3c58
hex19e3e84

27147908 has 12 divisors (see below), whose sum is σ = 47557020. Its totient is φ = 13560192.

The previous prime is 27147859. The next prime is 27147917. The reversal of 27147908 is 80974172.

It can be written as a sum of positive squares in 2 ways, for example, as 21086464 + 6061444 = 4592^2 + 2462^2 .

It is an unprimeable number.

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, 1928 + ... + 7616.

It is an arithmetic number, because the mean of its divisors is an integer number (3963085).

Almost surely, 227147908 is an apocalyptic number.

It is an amenable number.

27147908 is a deficient number, since it is larger than the sum of its proper divisors (20409112).

27147908 is a wasteful number, since it uses less digits than its factorization.

27147908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886 (or 6884 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 27147908 is about 5210.3654382394. The cubic root of 27147908 is about 300.5468101308.

The spelling of 27147908 in words is "twenty-seven million, one hundred forty-seven thousand, nine hundred eight".

Divisors: 1 2 4 1193 2386 4772 5689 11378 22756 6786977 13573954 27147908