Base | Representation |
---|---|
bin | 110010000100… |
… | …001101010000 |
3 | 220200210100002 |
4 | 302010031100 |
5 | 11324440212 |
6 | 1145145132 |
7 | 216361436 |
oct | 62041520 |
9 | 26623302 |
10 | 13124432 |
11 | 7454642 |
12 | 448b1a8 |
13 | 2946a49 |
14 | 1a58d56 |
15 | 1243ac2 |
hex | c84350 |
13124432 has 20 divisors (see below), whose sum is σ = 25861440. Its totient is φ = 6450528.
The previous prime is 13124431. The next prime is 13124437. The reversal of 13124432 is 23442131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13124431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6008 + ... + 7895.
It is an arithmetic number, because the mean of its divisors is an integer number (1293072).
Almost surely, 213124432 is an apocalyptic number.
It is an amenable number.
13124432 is a deficient number, since it is larger than the sum of its proper divisors (12737008).
13124432 is a wasteful number, since it uses less digits than its factorization.
13124432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13970 (or 13964 counting only the distinct ones).
The product of its digits is 576, while the sum is 20.
The square root of 13124432 is about 3622.7657942517. The cubic root of 13124432 is about 235.8812962364.
Adding to 13124432 its reverse (23442131), we get a palindrome (36566563).
The spelling of 13124432 in words is "thirteen million, one hundred twenty-four thousand, four hundred thirty-two".
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