Base | Representation |
---|---|
bin | 110001110000… |
… | …111010001100 |
3 | 220112202220112 |
4 | 301300322030 |
5 | 11314423023 |
6 | 1143335152 |
7 | 215612126 |
oct | 61607214 |
9 | 26482815 |
10 | 13045388 |
11 | 7400214 |
12 | 44514b8 |
13 | 2919a85 |
14 | 1a38216 |
15 | 122a478 |
hex | c70e8c |
13045388 has 12 divisors (see below), whose sum is σ = 22854720. Its totient is φ = 6515472.
The previous prime is 13045387. The next prime is 13045391. The reversal of 13045388 is 88354031.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (13045387) 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, 6245 + ... + 8067.
It is an arithmetic number, because the mean of its divisors is an integer number (1904560).
Almost surely, 213045388 is an apocalyptic number.
It is an amenable number.
13045388 is a deficient number, since it is larger than the sum of its proper divisors (9809332).
13045388 is a wasteful number, since it uses less digits than its factorization.
13045388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3616 (or 3614 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 13045388 is about 3611.8399743067. The cubic root of 13045388 is about 235.4067980444.
The spelling of 13045388 in words is "thirteen million, forty-five thousand, three hundred eighty-eight".
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