Base | Representation |
---|---|
bin | 110010110100… |
… | …111110110111 |
3 | 221001221101110 |
4 | 302310332313 |
5 | 11402333330 |
6 | 1153330103 |
7 | 221153052 |
oct | 62647667 |
9 | 27057343 |
10 | 13324215 |
11 | 7580753 |
12 | 4566933 |
13 | 29b6968 |
14 | 1aaba99 |
15 | 1282db0 |
hex | cb4fb7 |
13324215 has 16 divisors (see below), whose sum is σ = 21620736. Its totient is φ = 7005600.
The previous prime is 13324193. The next prime is 13324217. The reversal of 13324215 is 51242331.
It is not a de Polignac number, because 13324215 - 26 = 13324151 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13324191 and 13324200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13324217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5191 + ... + 7320.
It is an arithmetic number, because the mean of its divisors is an integer number (1351296).
Almost surely, 213324215 is an apocalyptic number.
13324215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13324215 is a deficient number, since it is larger than the sum of its proper divisors (8296521).
13324215 is a wasteful number, since it uses less digits than its factorization.
13324215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12590.
The product of its digits is 720, while the sum is 21.
The square root of 13324215 is about 3650.2349239467. The cubic root of 13324215 is about 237.0721530744.
Adding to 13324215 its reverse (51242331), we get a palindrome (64566546).
The spelling of 13324215 in words is "thirteen million, three hundred twenty-four thousand, two hundred fifteen".
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