Base | Representation |
---|---|
bin | 110011110001… |
… | …0101101100101 |
3 | 1220002000012210 |
4 | 1213202231211 |
5 | 23422034023 |
6 | 2405434033 |
7 | 446466102 |
oct | 147425545 |
9 | 56060183 |
10 | 27143013 |
11 | 14359a47 |
12 | 910b919 |
13 | 5814771 |
14 | 3867aa9 |
15 | 25b2593 |
hex | 19e2b65 |
27143013 has 8 divisors (see below), whose sum is σ = 37764288. Its totient is φ = 17308544.
The previous prime is 27142957. The next prime is 27143021. The reversal of 27143013 is 31034172.
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 27143013 - 28 = 27142757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27143063) 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, 196620 + ... + 196757.
It is an arithmetic number, because the mean of its divisors is an integer number (4720536).
Almost surely, 227143013 is an apocalyptic number.
27143013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
27143013 is a deficient number, since it is larger than the sum of its proper divisors (10621275).
27143013 is a wasteful number, since it uses less digits than its factorization.
27143013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393403.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 27143013 is about 5209.8956803376. The cubic root of 27143013 is about 300.5287453249.
Adding to 27143013 its reverse (31034172), we get a palindrome (58177185).
The spelling of 27143013 in words is "twenty-seven million, one hundred forty-three thousand, thirteen".
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