Search a number
-
+
27013331 = 43628217
BaseRepresentation
bin110011100001…
…1000011010011
31212211102022202
41213003003103
523403411311
62402553415
7445416032
oct147030323
955742282
1027013331
1114280574
12906886b
13579a727
143832719
152588e3b
hex19c30d3

27013331 has 4 divisors (see below), whose sum is σ = 27641592. Its totient is φ = 26385072.

The previous prime is 27013313. The next prime is 27013351. The reversal of 27013331 is 13331072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27013331 is a prime.

It is a super-2 number, since 2×270133312 = 1459440103431122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27013351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314066 + ... + 314151.

It is an arithmetic number, because the mean of its divisors is an integer number (6910398).

Almost surely, 227013331 is an apocalyptic number.

27013331 is a deficient number, since it is larger than the sum of its proper divisors (628261).

27013331 is an equidigital number, since it uses as much as digits as its factorization.

27013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628260.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 27013331 is about 5197.4350404791. The cubic root of 27013331 is about 300.0493659503.

The spelling of 27013331 in words is "twenty-seven million, thirteen thousand, three hundred thirty-one".

Divisors: 1 43 628217 27013331