Base | Representation |
---|---|
bin | 110011101111… |
… | …1100100011100 |
3 | 1220001100120000 |
4 | 1213133210130 |
5 | 23421131030 |
6 | 2405254300 |
7 | 446413422 |
oct | 147374434 |
9 | 56040500 |
10 | 27130140 |
11 | 14350304 |
12 | 9104390 |
13 | 580b94b |
14 | 3863112 |
15 | 25ad860 |
hex | 19df91c |
27130140 has 60 divisors (see below), whose sum is σ = 85113336. Its totient is φ = 7234272.
The previous prime is 27130091. The next prime is 27130141. The reversal of 27130140 is 4103172.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27130141) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6754 + ... + 9993.
Almost surely, 227130140 is an apocalyptic number.
27130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27130140 is an abundant number, since it is smaller than the sum of its proper divisors (57983196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27130140 is a wasteful number, since it uses less digits than its factorization.
27130140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16768 (or 16757 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 27130140 is about 5208.6600964164. The cubic root of 27130140 is about 300.4812276537.
The spelling of 27130140 in words is "twenty-seven million, one hundred thirty thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •