Base | Representation |
---|---|
bin | 110001000011… |
… | …001110001101 |
3 | 220012021012121 |
4 | 301003032031 |
5 | 11242431003 |
6 | 1135332541 |
7 | 214202422 |
oct | 61031615 |
9 | 26167177 |
10 | 12858253 |
11 | 7292661 |
12 | 4381151 |
13 | 2882845 |
14 | 19c9d49 |
15 | 11decbd |
hex | c4338d |
12858253 has 4 divisors (see below), whose sum is σ = 12944700. Its totient is φ = 12771808.
The previous prime is 12858233. The next prime is 12858257. The reversal of 12858253 is 35285821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35285821 = 2141 ⋅16481.
It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 11854249 = 1002^2 + 3443^2 .
It is a cyclic number.
It is not a de Polignac number, because 12858253 - 25 = 12858221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12858257) 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 3 ways as a sum of consecutive naturals, for example, 43000 + ... + 43297.
It is an arithmetic number, because the mean of its divisors is an integer number (3236175).
Almost surely, 212858253 is an apocalyptic number.
It is an amenable number.
12858253 is a deficient number, since it is larger than the sum of its proper divisors (86447).
12858253 is an equidigital number, since it uses as much as digits as its factorization.
12858253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86446.
The product of its digits is 19200, while the sum is 34.
The square root of 12858253 is about 3585.8406266871. The cubic root of 12858253 is about 234.2757421005.
The spelling of 12858253 in words is "twelve million, eight hundred fifty-eight thousand, two hundred fifty-three".
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