Base | Representation |
---|---|
bin | 110011101010… |
… | …0100110011101 |
3 | 1212222001221001 |
4 | 1213110212131 |
5 | 23413211323 |
6 | 2404310301 |
7 | 446135431 |
oct | 147244635 |
9 | 55861831 |
10 | 27085213 |
11 | 1431a581 |
12 | 90a2391 |
13 | 57c436c |
14 | 38509c1 |
15 | 25a03ad |
hex | 19d499d |
27085213 has 8 divisors (see below), whose sum is σ = 27486648. Its totient is φ = 26686464.
The previous prime is 27085211. The next prime is 27085259. The reversal of 27085213 is 31258072.
It can be written as a sum of positive squares in 4 ways, for example, as 8655364 + 18429849 = 2942^2 + 4293^2 .
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 27085213 - 21 = 27085211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27085211) 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, 27945 + ... + 28897.
It is an arithmetic number, because the mean of its divisors is an integer number (3435831).
Almost surely, 227085213 is an apocalyptic number.
It is an amenable number.
27085213 is a deficient number, since it is larger than the sum of its proper divisors (401435).
27085213 is an equidigital number, since it uses as much as digits as its factorization.
27085213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1343.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 27085213 is about 5204.3455880639. The cubic root of 27085213 is about 300.3152722656.
It can be divided in two parts, 2708 and 5213, that added together give a square (7921 = 892).
The spelling of 27085213 in words is "twenty-seven million, eighty-five thousand, two hundred thirteen".
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