Base | Representation |
---|---|
bin | 110000111111… |
… | …100011101001 |
3 | 220011111121121 |
4 | 300333203221 |
5 | 11241440431 |
6 | 1135135241 |
7 | 214110565 |
oct | 60774351 |
9 | 26144547 |
10 | 12843241 |
11 | 7282354 |
12 | 4374521 |
13 | 2878a68 |
14 | 19c46a5 |
15 | 11da611 |
hex | c3f8e9 |
12843241 has 4 divisors (see below), whose sum is σ = 12957012. Its totient is φ = 12729472.
The previous prime is 12843227. The next prime is 12843247. The reversal of 12843241 is 14234821.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4840000 + 8003241 = 2200^2 + 2829^2 .
It is a cyclic number.
It is not a de Polignac number, because 12843241 - 27 = 12843113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12843247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56716 + ... + 56941.
It is an arithmetic number, because the mean of its divisors is an integer number (3239253).
Almost surely, 212843241 is an apocalyptic number.
It is an amenable number.
12843241 is a deficient number, since it is larger than the sum of its proper divisors (113771).
12843241 is a wasteful number, since it uses less digits than its factorization.
12843241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113770.
The product of its digits is 1536, while the sum is 25.
The square root of 12843241 is about 3583.7467823494. The cubic root of 12843241 is about 234.1845343497.
The spelling of 12843241 in words is "twelve million, eight hundred forty-three thousand, two hundred forty-one".
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