Base | Representation |
---|---|
bin | 1010010000010… |
… | …10101110101101 |
3 | 12222212122002220 |
4 | 11020022232231 |
5 | 134010332211 |
6 | 12311505553 |
7 | 2063135052 |
oct | 510125655 |
9 | 188778086 |
10 | 86027181 |
11 | 44618549 |
12 | 249882b9 |
13 | 14a90876 |
14 | b5d5029 |
15 | 7844806 |
hex | 520abad |
86027181 has 4 divisors (see below), whose sum is σ = 114702912. Its totient is φ = 57351452.
The previous prime is 86027171. The next prime is 86027197. The reversal of 86027181 is 18172068.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 86027181 - 29 = 86026669 is a prime.
It is a super-2 number, since 2×860271812 = 14801351741613522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86027131) 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 3 ways as a sum of consecutive naturals, for example, 14337861 + ... + 14337866.
It is an arithmetic number, because the mean of its divisors is an integer number (28675728).
Almost surely, 286027181 is an apocalyptic number.
It is an amenable number.
86027181 is a deficient number, since it is larger than the sum of its proper divisors (28675731).
86027181 is a wasteful number, since it uses less digits than its factorization.
86027181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28675730.
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 86027181 is about 9275.0838810223. The cubic root of 86027181 is about 441.4469940858.
The spelling of 86027181 in words is "eighty-six million, twenty-seven thousand, one hundred eighty-one".
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