Search a number
-
+
27381080 = 235684527
BaseRepresentation
bin110100001110…
…0110101011000
31220112002210002
41220130311120
524002143310
62414512132
7451510136
oct150346530
956462702
1027381080
11145018a1
129205648
135898c2c
1438ca756
15260cda5
hex1a1cd58

27381080 has 16 divisors (see below), whose sum is σ = 61607520. Its totient is φ = 10952416.

The previous prime is 27381061. The next prime is 27381089. The reversal of 27381080 is 8018372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27381089) 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, 342224 + ... + 342303.

It is an arithmetic number, because the mean of its divisors is an integer number (3850470).

Almost surely, 227381080 is an apocalyptic number.

27381080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27381080 is an abundant number, since it is smaller than the sum of its proper divisors (34226440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27381080 is a wasteful number, since it uses less digits than its factorization.

27381080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684538 (or 684534 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 27381080 is about 5232.6933791309. The cubic root of 27381080 is about 301.4048187534.

The spelling of 27381080 in words is "twenty-seven million, three hundred eighty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 684527 1369054 2738108 3422635 5476216 6845270 13690540 27381080