Base | Representation |
---|---|
bin | 110011101000… |
… | …1000111010011 |
3 | 1212221100100002 |
4 | 1213101013103 |
5 | 23412232211 |
6 | 2404120215 |
7 | 446045666 |
oct | 147210723 |
9 | 55840302 |
10 | 27070931 |
11 | 1430a878 |
12 | 909606b |
13 | 57baa04 |
14 | 38496dd |
15 | 259b03b |
hex | 19d11d3 |
27070931 has 8 divisors (see below), whose sum is σ = 28354560. Its totient is φ = 25796232.
The previous prime is 27070907. The next prime is 27070937. The reversal of 27070931 is 13907072.
It is a happy number.
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 27070931 - 218 = 26808787 is a prime.
It is a super-4 number, since 4×270709314 (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27070894 and 27070903.
It is not an unprimeable number, because it can be changed into a prime (27070937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4430 + ... + 8588.
It is an arithmetic number, because the mean of its divisors is an integer number (3544320).
Almost surely, 227070931 is an apocalyptic number.
27070931 is a deficient number, since it is larger than the sum of its proper divisors (1283629).
27070931 is a wasteful number, since it uses less digits than its factorization.
27070931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4465.
The product of its (nonzero) digits is 2646, while the sum is 29.
The square root of 27070931 is about 5202.9732845749. The cubic root of 27070931 is about 300.2624776920.
The spelling of 27070931 in words is "twenty-seven million, seventy thousand, nine hundred thirty-one".
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