Base | Representation |
---|---|
bin | 110011000011… |
… | …001001000111 |
3 | 221011212221121 |
4 | 303003021013 |
5 | 11411212330 |
6 | 1154454411 |
7 | 221514130 |
oct | 63031107 |
9 | 27155847 |
10 | 13382215 |
11 | 7610290 |
12 | 4594407 |
13 | 2a07192 |
14 | 1ac4c87 |
15 | 129517a |
hex | cc3247 |
13382215 has 16 divisors (see below), whose sum is σ = 20021760. Its totient is φ = 8341920.
The previous prime is 13382207. The next prime is 13382227. The reversal of 13382215 is 51228331.
It is not a de Polignac number, because 13382215 - 23 = 13382207 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13382215.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 16995 + ... + 17764.
It is an arithmetic number, because the mean of its divisors is an integer number (1251360).
Almost surely, 213382215 is an apocalyptic number.
13382215 is a deficient number, since it is larger than the sum of its proper divisors (6639545).
13382215 is a wasteful number, since it uses less digits than its factorization.
13382215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34782.
The product of its digits is 1440, while the sum is 25.
The square root of 13382215 is about 3658.1709910828. The cubic root of 13382215 is about 237.4156450194.
It can be divided in two parts, 1338 and 2215, that added together give a palindrome (3553).
The spelling of 13382215 in words is "thirteen million, three hundred eighty-two thousand, two hundred fifteen".
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