Base | Representation |
---|---|
bin | 101110110111… |
… | …000110111001 |
3 | 212010002221202 |
4 | 232313012321 |
5 | 11121044340 |
6 | 1115143545 |
7 | 206262263 |
oct | 56670671 |
9 | 25102852 |
10 | 12284345 |
11 | 6a30457 |
12 | 4144bb5 |
13 | 2711558 |
14 | 18bab33 |
15 | 1129c15 |
hex | bb71b9 |
12284345 has 4 divisors (see below), whose sum is σ = 14741220. Its totient is φ = 9827472.
The previous prime is 12284341. The next prime is 12284357. The reversal of 12284345 is 54348221.
It is a happy number.
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 6615184 + 5669161 = 2572^2 + 2381^2 .
It is a cyclic number.
It is not a de Polignac number, because 12284345 - 22 = 12284341 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12284341) 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, 1228430 + ... + 1228439.
It is an arithmetic number, because the mean of its divisors is an integer number (3685305).
Almost surely, 212284345 is an apocalyptic number.
It is an amenable number.
12284345 is a deficient number, since it is larger than the sum of its proper divisors (2456875).
12284345 is an equidigital number, since it uses as much as digits as its factorization.
12284345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2456874.
The product of its digits is 7680, while the sum is 29.
The square root of 12284345 is about 3504.9029943780. The cubic root of 12284345 is about 230.7370495438.
The spelling of 12284345 in words is "twelve million, two hundred eighty-four thousand, three hundred forty-five".
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