Base | Representation |
---|---|
bin | 110001110000… |
… | …101011010000 |
3 | 220112201121010 |
4 | 301300223100 |
5 | 11314410212 |
6 | 1143330520 |
7 | 215606262 |
oct | 61605320 |
9 | 26481533 |
10 | 13044432 |
11 | 73aa525 |
12 | 4450a40 |
13 | 29194cb |
14 | 1a37b32 |
15 | 122a03c |
hex | c70ad0 |
13044432 has 40 divisors (see below), whose sum is σ = 34863840. Its totient is φ = 4197760.
The previous prime is 13044407. The next prime is 13044433. The reversal of 13044432 is 23444031.
It is a junction number, because it is equal to n+sod(n) for n = 13044399 and 13044408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13044433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294 + ... + 6077.
It is an arithmetic number, because the mean of its divisors is an integer number (871596).
Almost surely, 213044432 is an apocalyptic number.
13044432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13044432 is an abundant number, since it is smaller than the sum of its proper divisors (21819408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13044432 is a wasteful number, since it uses less digits than its factorization.
13044432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9411 (or 9405 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 13044432 is about 3611.7076293632. The cubic root of 13044432 is about 235.4010474962.
Adding to 13044432 its reverse (23444031), we get a palindrome (36488463).
The spelling of 13044432 in words is "thirteen million, forty-four thousand, four hundred thirty-two".
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