Base | Representation |
---|---|
bin | 110000111100… |
… | …011101001110 |
3 | 220010212012021 |
4 | 300330131032 |
5 | 11241034132 |
6 | 1135000354 |
7 | 214025554 |
oct | 60743516 |
9 | 26125167 |
10 | 12830542 |
11 | 727385a |
12 | 43690ba |
13 | 287304a |
14 | 19bdbd4 |
15 | 11d6997 |
hex | c3c74e |
12830542 has 4 divisors (see below), whose sum is σ = 19245816. Its totient is φ = 6415270.
The previous prime is 12830537. The next prime is 12830551. The reversal of 12830542 is 24503821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24503821 = 59 ⋅415319.
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 as a sum of consecutive naturals, namely, 3207634 + ... + 3207637.
It is an arithmetic number, because the mean of its divisors is an integer number (4811454).
Almost surely, 212830542 is an apocalyptic number.
12830542 is a deficient number, since it is larger than the sum of its proper divisors (6415274).
12830542 is an equidigital number, since it uses as much as digits as its factorization.
12830542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6415273.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 12830542 is about 3581.9745951081. The cubic root of 12830542 is about 234.1073240851.
The spelling of 12830542 in words is "twelve million, eight hundred thirty thousand, five hundred forty-two".
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