Base | Representation |
---|---|
bin | 1110110100110010000101 |
3 | 21022102212211 |
4 | 32310302011 |
5 | 1443324323 |
6 | 215143421 |
7 | 45014032 |
oct | 16646205 |
9 | 7272784 |
10 | 3886213 |
11 | 2214851 |
12 | 1374b71 |
13 | a60b46 |
14 | 732389 |
15 | 51b70d |
hex | 3b4c85 |
3886213 has 4 divisors (see below), whose sum is σ = 3890368. Its totient is φ = 3882060.
The previous prime is 3886199. The next prime is 3886229. The reversal of 3886213 is 3126883.
3886213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3126883 = 109 ⋅28687.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3886213 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 (3886273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 2788.
It is an arithmetic number, because the mean of its divisors is an integer number (972592).
Almost surely, 23886213 is an apocalyptic number.
It is an amenable number.
3886213 is a deficient number, since it is larger than the sum of its proper divisors (4155).
3886213 is a wasteful number, since it uses less digits than its factorization.
3886213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4154.
The product of its digits is 6912, while the sum is 31.
The square root of 3886213 is about 1971.3480159525. The cubic root of 3886213 is about 157.2203890920.
The spelling of 3886213 in words is "three million, eight hundred eighty-six thousand, two hundred thirteen".
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