Base | Representation |
---|---|
bin | 101110110011… |
… | …001101000101 |
3 | 212002022000121 |
4 | 232303031011 |
5 | 11120041412 |
6 | 1114541541 |
7 | 206164543 |
oct | 56631505 |
9 | 25068017 |
10 | 12268357 |
11 | 6a1a442 |
12 | 41378b1 |
13 | 27071aa |
14 | 18b4d93 |
15 | 1125107 |
hex | bb3345 |
12268357 has 4 divisors (see below), whose sum is σ = 12914080. Its totient is φ = 11622636.
The previous prime is 12268351. The next prime is 12268367. The reversal of 12268357 is 75386221.
It is a happy number.
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 an emirpimes, since its reverse is a distinct semiprime: 75386221 = 7591 ⋅9931.
It is a cyclic number.
It is not a de Polignac number, because 12268357 - 27 = 12268229 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 (12268351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322833 + ... + 322870.
It is an arithmetic number, because the mean of its divisors is an integer number (3228520).
Almost surely, 212268357 is an apocalyptic number.
It is an amenable number.
12268357 is a deficient number, since it is larger than the sum of its proper divisors (645723).
12268357 is an equidigital number, since it uses as much as digits as its factorization.
12268357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 645722.
The product of its digits is 20160, while the sum is 34.
The square root of 12268357 is about 3502.6214468595. The cubic root of 12268357 is about 230.6369051318.
The spelling of 12268357 in words is "twelve million, two hundred sixty-eight thousand, three hundred fifty-seven".
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