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27384992 = 25855781
BaseRepresentation
bin110100001110…
…1110010100000
31220112022010222
41220131302200
524002304432
62414542212
7451524425
oct150356240
956468128
1027384992
1114504828
129207968
13589a94b
1438cbd4c
15260e112
hex1a1dca0

27384992 has 12 divisors (see below), whose sum is σ = 53914266. Its totient is φ = 13692480.

The previous prime is 27384991. The next prime is 27385003. The reversal of 27384992 is 29948372.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 6990736 = 4516^2 + 2644^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27384991) 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 as a sum of consecutive naturals, namely, 427859 + ... + 427922.

Almost surely, 227384992 is an apocalyptic number.

It is an amenable number.

27384992 is a deficient number, since it is larger than the sum of its proper divisors (26529274).

27384992 is an equidigital number, since it uses as much as digits as its factorization.

27384992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855791 (or 855783 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 27384992 is about 5233.0671694523. The cubic root of 27384992 is about 301.4191722108.

The spelling of 27384992 in words is "twenty-seven million, three hundred eighty-four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 855781 1711562 3423124 6846248 13692496 27384992