Base | Representation |
---|---|
bin | 110011100111… |
… | …1110010010101 |
3 | 1212221001212200 |
4 | 1213033302111 |
5 | 23412043433 |
6 | 2404035113 |
7 | 446024100 |
oct | 147176225 |
9 | 55831780 |
10 | 27065493 |
11 | 14306784 |
12 | 9092a99 |
13 | 57b83b0 |
14 | 3847737 |
15 | 2599613 |
hex | 19cfc95 |
27065493 has 36 divisors (see below), whose sum is σ = 48986028. Its totient is φ = 14273280.
The previous prime is 27065491. The next prime is 27065501. The reversal of 27065493 is 39456072.
It can be written as a sum of positive squares in 2 ways, for example, as 8892324 + 18173169 = 2982^2 + 4263^2 .
It is not a de Polignac number, because 27065493 - 21 = 27065491 is a prime.
It is a super-2 number, since 2×270654932 = 1465081822666098, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27065491) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3373 + ... + 8093.
It is an arithmetic number, because the mean of its divisors is an integer number (1360723).
Almost surely, 227065493 is an apocalyptic number.
It is an amenable number.
27065493 is a deficient number, since it is larger than the sum of its proper divisors (21920535).
27065493 is a wasteful number, since it uses less digits than its factorization.
27065493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4754 (or 4744 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 27065493 is about 5202.4506725196. The cubic root of 27065493 is about 300.2423708019.
The spelling of 27065493 in words is "twenty-seven million, sixty-five thousand, four hundred ninety-three".
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