Search a number
-
+
27028388 = 2231121727
BaseRepresentation
bin110011100011…
…0101110100100
31212212011222102
41213012232210
523404402023
62403151232
7445510652
oct147065644
955764872
1027028388
1114290912
129075518
1357a453a
143837dd2
15258d628
hex19c6ba4

27028388 has 12 divisors (see below), whose sum is σ = 47453952. Its totient is φ = 13470120.

The previous prime is 27028387. The next prime is 27028399. The reversal of 27028388 is 88382072.

It is not an unprimeable number, because it can be changed into a prime (27028387) 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 3 ways as a sum of consecutive naturals, for example, 9620 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (3954496).

Almost surely, 227028388 is an apocalyptic number.

It is an amenable number.

27028388 is a deficient number, since it is larger than the sum of its proper divisors (20425564).

27028388 is a wasteful number, since it uses less digits than its factorization.

27028388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22042 (or 22040 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 27028388 is about 5198.8833416417. The cubic root of 27028388 is about 300.1051039137.

The spelling of 27028388 in words is "twenty-seven million, twenty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 4 311 622 1244 21727 43454 86908 6757097 13514194 27028388