Search a number
-
+
27389330 = 252738933
BaseRepresentation
bin110100001111…
…0110110010010
31220112112002122
41220132312102
524002424310
62415014242
7451543163
oct150366622
956475078
1027389330
1114508011
12920a382
13589c907
1438cd76a
152610555
hex1a1ed92

27389330 has 8 divisors (see below), whose sum is σ = 49300812. Its totient is φ = 10955728.

The previous prime is 27389309. The next prime is 27389333. The reversal of 27389330 is 3398372.

It can be written as a sum of positive squares in 2 ways, for example, as 27384289 + 5041 = 5233^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (27389333) 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, 1369457 + ... + 1369476.

Almost surely, 227389330 is an apocalyptic number.

27389330 is a deficient number, since it is larger than the sum of its proper divisors (21911482).

27389330 is a wasteful number, since it uses less digits than its factorization.

27389330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738940.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 27389330 is about 5233.4816327183. The cubic root of 27389330 is about 301.4350871000.

The spelling of 27389330 in words is "twenty-seven million, three hundred eighty-nine thousand, three hundred thirty".

Divisors: 1 2 5 10 2738933 5477866 13694665 27389330