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27189484 = 227971053
BaseRepresentation
bin110011110111…
…0000011101100
31220011100221221
41213232003230
523430030414
62410433124
7450051430
oct147560354
956140857
1027189484
1114390953
1291327a4
13582c96a
14387a9c0
1525c1224
hex19ee0ec

27189484 has 12 divisors (see below), whose sum is σ = 54379024. Its totient is φ = 11652624.

The previous prime is 27189479. The next prime is 27189493. The reversal of 27189484 is 48498172.

27189484 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27189484.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485499 + ... + 485554.

Almost surely, 227189484 is an apocalyptic number.

It is an amenable number.

27189484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27189484 is a wasteful number, since it uses less digits than its factorization.

27189484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971064 (or 971062 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 27189484 is about 5214.3536512208. The cubic root of 27189484 is about 300.7001572541.

The spelling of 27189484 in words is "twenty-seven million, one hundred eighty-nine thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 971053 1942106 3884212 6797371 13594742 27189484