Base | Representation |
---|---|
bin | 110000111100… |
… | …011010110010 |
3 | 220010211222111 |
4 | 300330122302 |
5 | 11241033021 |
6 | 1134555534 |
7 | 214025242 |
oct | 60743262 |
9 | 26124874 |
10 | 12830386 |
11 | 7273728 |
12 | 4368baa |
13 | 2872c5a |
14 | 19bdb22 |
15 | 11d68e1 |
hex | c3c6b2 |
12830386 has 4 divisors (see below), whose sum is σ = 19245582. Its totient is φ = 6415192.
The previous prime is 12830369. The next prime is 12830437. The reversal of 12830386 is 68303821.
12830386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 11868025 + 962361 = 3445^2 + 981^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207595 + ... + 3207598.
Almost surely, 212830386 is an apocalyptic number.
12830386 is a deficient number, since it is larger than the sum of its proper divisors (6415196).
12830386 is an equidigital number, since it uses as much as digits as its factorization.
12830386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6415195.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 12830386 is about 3581.9528193431. The cubic root of 12830386 is about 234.1063752841.
The spelling of 12830386 in words is "twelve million, eight hundred thirty thousand, three hundred eighty-six".
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