Base | Representation |
---|---|
bin | 101111000111… |
… | …101100111001 |
3 | 212020120012002 |
4 | 233013230321 |
5 | 11130233223 |
6 | 1120430345 |
7 | 206664401 |
oct | 57075471 |
9 | 25216162 |
10 | 12352313 |
11 | 6a77526 |
12 | 41783b5 |
13 | 273647c |
14 | 18d7801 |
15 | 113ee28 |
hex | bc7b39 |
12352313 has 4 divisors (see below), whose sum is σ = 12359568. Its totient is φ = 12345060.
The previous prime is 12352297. The next prime is 12352343. The reversal of 12352313 is 31325321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31325321 = 1973 ⋅15877.
It is a cyclic number.
It is not a de Polignac number, because 12352313 - 24 = 12352297 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12352343) 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, 470 + ... + 4992.
It is an arithmetic number, because the mean of its divisors is an integer number (3089892).
Almost surely, 212352313 is an apocalyptic number.
It is an amenable number.
12352313 is a deficient number, since it is larger than the sum of its proper divisors (7255).
12352313 is an equidigital number, since it uses as much as digits as its factorization.
12352313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7254.
The product of its digits is 540, while the sum is 20.
The square root of 12352313 is about 3514.5857508389. The cubic root of 12352313 is about 231.1618151219.
Adding to 12352313 its reverse (31325321), we get a palindrome (43677634).
The spelling of 12352313 in words is "twelve million, three hundred fifty-two thousand, three hundred thirteen".
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