Base | Representation |
---|---|
bin | 101110110001… |
… | …001011001111 |
3 | 212001212121211 |
4 | 232301023033 |
5 | 11114310142 |
6 | 1114435251 |
7 | 206131402 |
oct | 56611317 |
9 | 25055554 |
10 | 12260047 |
11 | 6a14178 |
12 | 4132b27 |
13 | 2703487 |
14 | 18b1d39 |
15 | 1122917 |
hex | bb12cf |
12260047 has 4 divisors (see below), whose sum is σ = 12267280. Its totient is φ = 12252816.
The previous prime is 12260033. The next prime is 12260051. The reversal of 12260047 is 74006221.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12260047 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 (12260057) 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, 454 + ... + 4972.
It is an arithmetic number, because the mean of its divisors is an integer number (3066820).
Almost surely, 212260047 is an apocalyptic number.
12260047 is a deficient number, since it is larger than the sum of its proper divisors (7233).
12260047 is an equidigital number, since it uses as much as digits as its factorization.
12260047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7232.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 12260047 is about 3501.4349915428. The cubic root of 12260047 is about 230.5848192228.
Adding to 12260047 its reverse (74006221), we get a palindrome (86266268).
The spelling of 12260047 in words is "twelve million, two hundred sixty thousand, forty-seven".
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