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27389112 = 2334992287
BaseRepresentation
bin110100001111…
…0110010111000
31220112111210120
41220132302320
524002422422
62415013240
7451542432
oct150366270
956474716
1027389112
1114507933
12920a220
13589c79a
1438cd652
15261045c
hex1a1ecb8

27389112 has 32 divisors (see below), whose sum is σ = 68640000. Its totient is φ = 9107424.

The previous prime is 27389093. The next prime is 27389119. The reversal of 27389112 is 21198372.

It is a super-2 number, since 2×273891122 = 1500326912297088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27389119) 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, 10833 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (2145000).

Almost surely, 227389112 is an apocalyptic number.

It is an amenable number.

27389112 is an abundant number, since it is smaller than the sum of its proper divisors (41250888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27389112 is a wasteful number, since it uses less digits than its factorization.

27389112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2791 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 27389112 is about 5233.4608052416. The cubic root of 27389112 is about 301.4342873600.

The spelling of 27389112 in words is "twenty-seven million, three hundred eighty-nine thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 499 998 1497 1996 2287 2994 3992 4574 5988 6861 9148 11976 13722 18296 27444 54888 1141213 2282426 3423639 4564852 6847278 9129704 13694556 27389112