Base | Representation |
---|---|
bin | 110010011010… |
… | …101000001101 |
3 | 220212110022110 |
4 | 302122220031 |
5 | 11340410034 |
6 | 1151134233 |
7 | 220223253 |
oct | 62325015 |
9 | 26773273 |
10 | 13216269 |
11 | 7507640 |
12 | 4514379 |
13 | 29797a1 |
14 | 1a805d3 |
15 | 1260de9 |
hex | c9aa0d |
13216269 has 16 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 7984560.
The previous prime is 13216249. The next prime is 13216303. The reversal of 13216269 is 96261231.
It is not a de Polignac number, because 13216269 - 211 = 13214221 is a prime.
It is a super-2 number, since 2×132162692 = 349339532560722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13216249) 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 15 ways as a sum of consecutive naturals, for example, 20104 + ... + 20750.
It is an arithmetic number, because the mean of its divisors is an integer number (1205280).
Almost surely, 213216269 is an apocalyptic number.
It is an amenable number.
13216269 is a deficient number, since it is larger than the sum of its proper divisors (6068211).
13216269 is a wasteful number, since it uses less digits than its factorization.
13216269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1280.
The product of its digits is 3888, while the sum is 30.
The square root of 13216269 is about 3635.4186829030. The cubic root of 13216269 is about 236.4302037674.
It can be divided in two parts, 132162 and 69, that added together give a palindrome (132231).
The spelling of 13216269 in words is "thirteen million, two hundred sixteen thousand, two hundred sixty-nine".
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