Base | Representation |
---|---|
bin | 110011100101… |
… | …000011010100 |
3 | 221102221110210 |
4 | 303211003110 |
5 | 11430133413 |
6 | 1201445420 |
7 | 222633066 |
oct | 63450324 |
9 | 27387423 |
10 | 13521108 |
11 | 76a5677 |
12 | 4640870 |
13 | 2a55473 |
14 | 1b1d736 |
15 | 12c13c3 |
hex | ce50d4 |
13521108 has 12 divisors (see below), whose sum is σ = 31549280. Its totient is φ = 4507032.
The previous prime is 13521107. The next prime is 13521113. The reversal of 13521108 is 80112531.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13521107) 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, 563368 + ... + 563391.
Almost surely, 213521108 is an apocalyptic number.
It is an amenable number.
13521108 is an abundant number, since it is smaller than the sum of its proper divisors (18028172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13521108 is a wasteful number, since it uses less digits than its factorization.
13521108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1126766 (or 1126764 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 21.
The square root of 13521108 is about 3677.1059272205. The cubic root of 13521108 is about 238.2341926592.
Adding to 13521108 its reverse (80112531), we get a palindrome (93633639).
The spelling of 13521108 in words is "thirteen million, five hundred twenty-one thousand, one hundred eight".
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