Search a number
-
+
27057 = 329311
BaseRepresentation
bin110100110110001
31101010010
412212301
51331212
6325133
7141612
oct64661
941103
1027057
1119368
12137a9
13c414
149c09
15803c
hex69b1

27057 has 8 divisors (see below), whose sum is σ = 37440. Its totient is φ = 17360.

The previous prime is 27043. The next prime is 27059. The reversal of 27057 is 75072.

27057 = T73 + T74 + ... + T81.

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

It is a cyclic number.

It is not a de Polignac number, because 27057 - 26 = 26993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69 + ... + 242.

It is an arithmetic number, because the mean of its divisors is an integer number (4680).

227057 is an apocalyptic number.

It is an amenable number.

27057 is a deficient number, since it is larger than the sum of its proper divisors (10383).

27057 is a wasteful number, since it uses less digits than its factorization.

27057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 27057 is about 164.4901212839. The cubic root of 27057 is about 30.0210962725.

The spelling of 27057 in words is "twenty-seven thousand, fifty-seven".

Divisors: 1 3 29 87 311 933 9019 27057