Base | Representation |
---|---|
bin | 110001110000… |
… | …010010011010 |
3 | 220112122102020 |
4 | 301300102122 |
5 | 11314332332 |
6 | 1143315310 |
7 | 215601531 |
oct | 61602232 |
9 | 26478366 |
10 | 13042842 |
11 | 73a930a |
12 | 444bb36 |
13 | 2918877 |
14 | 1a37318 |
15 | 122982c |
hex | c7049a |
13042842 has 32 divisors (see below), whose sum is σ = 28024704. Its totient is φ = 4032000.
The previous prime is 13042819. The next prime is 13042853. The reversal of 13042842 is 24824031.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6342 + ... + 8142.
It is an arithmetic number, because the mean of its divisors is an integer number (875772).
Almost surely, 213042842 is an apocalyptic number.
13042842 is an abundant number, since it is smaller than the sum of its proper divisors (14981862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13042842 is a wasteful number, since it uses less digits than its factorization.
13042842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1894.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 13042842 is about 3611.4875051701. The cubic root of 13042842 is about 235.3914826777.
Adding to 13042842 its reverse (24824031), we get a palindrome (37866873).
The spelling of 13042842 in words is "thirteen million, forty-two thousand, eight hundred forty-two".
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