Search a number
-
+
27189488 = 249717519
BaseRepresentation
bin110011110111…
…0000011110000
31220011100222002
41213232003300
523430030423
62410433132
7450051434
oct147560360
956140862
1027189488
1114390957
1291327a8
13582c971
14387a9c4
1525c1228
hex19ee0f0

27189488 has 20 divisors (see below), whose sum is σ = 53225760. Its totient is φ = 13453824.

The previous prime is 27189479. The next prime is 27189493. The reversal of 27189488 is 88498172.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 7208 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (2661288).

Almost surely, 227189488 is an apocalyptic number.

It is an amenable number.

27189488 is a deficient number, since it is larger than the sum of its proper divisors (26036272).

27189488 is a wasteful number, since it uses less digits than its factorization.

27189488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624 (or 17618 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 27189488 is about 5214.3540347775. The cubic root of 27189488 is about 300.7001720000.

The spelling of 27189488 in words is "twenty-seven million, one hundred eighty-nine thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 97 194 388 776 1552 17519 35038 70076 140152 280304 1699343 3398686 6797372 13594744 27189488