Base | Representation |
---|---|
bin | 110000110110… |
… | …001011011110 |
3 | 220002112220222 |
4 | 300312023132 |
5 | 11234223310 |
6 | 1134241342 |
7 | 213560603 |
oct | 60661336 |
9 | 26075828 |
10 | 12804830 |
11 | 7256505 |
12 | 4356252 |
13 | 286442c |
14 | 19b46aa |
15 | 11ce055 |
hex | c362de |
12804830 has 16 divisors (see below), whose sum is σ = 23127984. Its totient is φ = 5104320.
The previous prime is 12804817. The next prime is 12804851. The reversal of 12804830 is 3840821.
It is a self number, because there is not a number n which added to its sum of digits gives 12804830.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085 + ... + 5175.
It is an arithmetic number, because the mean of its divisors is an integer number (1445499).
Almost surely, 212804830 is an apocalyptic number.
12804830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12804830 is a deficient number, since it is larger than the sum of its proper divisors (10323154).
12804830 is a wasteful number, since it uses less digits than its factorization.
12804830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4411.
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 12804830 is about 3578.3837133544. The cubic root of 12804830 is about 233.9508382854.
The spelling of 12804830 in words is "twelve million, eight hundred four thousand, eight hundred thirty".
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