Base | Representation |
---|---|
bin | 110001000100… |
… | …010101111010 |
3 | 220012111111120 |
4 | 301010111322 |
5 | 11243102332 |
6 | 1135410110 |
7 | 214221666 |
oct | 61042572 |
9 | 26174446 |
10 | 12862842 |
11 | 7296053 |
12 | 4383936 |
13 | 2884965 |
14 | 19cb8a6 |
15 | 11e132c |
hex | c4457a |
12862842 has 32 divisors (see below), whose sum is σ = 27191808. Its totient is φ = 4048176.
The previous prime is 12862831. The next prime is 12862847. The reversal of 12862842 is 24826821.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12862847) 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 15 ways as a sum of consecutive naturals, for example, 10893 + ... + 12015.
It is an arithmetic number, because the mean of its divisors is an integer number (849744).
Almost surely, 212862842 is an apocalyptic number.
12862842 is an abundant number, since it is smaller than the sum of its proper divisors (14328966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12862842 is a wasteful number, since it uses less digits than its factorization.
12862842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1234.
The product of its digits is 12288, while the sum is 33.
The square root of 12862842 is about 3586.4804474582. The cubic root of 12862842 is about 234.3036091187.
The spelling of 12862842 in words is "twelve million, eight hundred sixty-two thousand, eight hundred forty-two".
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