Base | Representation |
---|---|
bin | 110010101100… |
… | …001011000100 |
3 | 221000002220001 |
4 | 302230023010 |
5 | 11400210012 |
6 | 1152451044 |
7 | 220642624 |
oct | 62541304 |
9 | 27002801 |
10 | 13288132 |
11 | 7556630 |
12 | 4549a84 |
13 | 29a3400 |
14 | 1a9c884 |
15 | 1277357 |
hex | cac2c4 |
13288132 has 36 divisors (see below), whose sum is σ = 27485136. Its totient is φ = 5572320.
The previous prime is 13288109. The next prime is 13288139. The reversal of 13288132 is 23188231.
It is a self number, because there is not a number n which added to its sum of digits gives 13288132.
It is not an unprimeable number, because it can be changed into a prime (13288139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6543 + ... + 8329.
It is an arithmetic number, because the mean of its divisors is an integer number (763476).
Almost surely, 213288132 is an apocalyptic number.
It is an amenable number.
13288132 is an abundant number, since it is smaller than the sum of its proper divisors (14197004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13288132 is a wasteful number, since it uses less digits than its factorization.
13288132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1828 (or 1813 counting only the distinct ones).
The product of its digits is 2304, while the sum is 28.
The square root of 13288132 is about 3645.2890146050. The cubic root of 13288132 is about 236.8579563903.
Subtracting 13288132 from its reverse (23188231), we obtain a palindrome (9900099).
The spelling of 13288132 in words is "thirteen million, two hundred eighty-eight thousand, one hundred thirty-two".
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