Base | Representation |
---|---|
bin | 111001101110… |
… | …111000000101 |
3 | 1001110220020102 |
4 | 321232320011 |
5 | 12333243323 |
6 | 1300213445 |
7 | 242432033 |
oct | 71567005 |
9 | 31426212 |
10 | 15134213 |
11 | 85a7616 |
12 | 509a285 |
13 | 319b773 |
14 | 201d553 |
15 | 14de328 |
hex | e6ee05 |
15134213 has 4 divisors (see below), whose sum is σ = 15221868. Its totient is φ = 15046560.
The previous prime is 15134191. The next prime is 15134219. The reversal of 15134213 is 31243151.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9597604 + 5536609 = 3098^2 + 2353^2 .
It is a cyclic number.
It is not a de Polignac number, because 15134213 - 28 = 15133957 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 (15134219) 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, 43568 + ... + 43913.
It is an arithmetic number, because the mean of its divisors is an integer number (3805467).
Almost surely, 215134213 is an apocalyptic number.
It is an amenable number.
15134213 is a deficient number, since it is larger than the sum of its proper divisors (87655).
15134213 is an equidigital number, since it uses as much as digits as its factorization.
15134213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87654.
The product of its digits is 360, while the sum is 20.
The square root of 15134213 is about 3890.2715843499. The cubic root of 15134213 is about 247.3545749773.
Adding to 15134213 its reverse (31243151), we get a palindrome (46377364).
The spelling of 15134213 in words is "fifteen million, one hundred thirty-four thousand, two hundred thirteen".
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