Base | Representation |
---|---|
bin | 101110111011… |
… | …100000010101 |
3 | 212011000122212 |
4 | 232323200111 |
5 | 11122133412 |
6 | 1115403205 |
7 | 206365634 |
oct | 56734025 |
9 | 25130585 |
10 | 12302357 |
11 | 6a42a41 |
12 | 4153505 |
13 | 2719802 |
14 | 18c351b |
15 | 1130222 |
hex | bbb815 |
12302357 has 2 divisors, whose sum is σ = 12302358. Its totient is φ = 12302356.
The previous prime is 12302347. The next prime is 12302359. The reversal of 12302357 is 75320321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12103441 + 198916 = 3479^2 + 446^2 .
It is a cyclic number.
It is not a de Polignac number, because 12302357 - 218 = 12040213 is a prime.
Together with 12302359, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12302359) 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 as a sum of consecutive naturals, namely, 6151178 + 6151179.
It is an arithmetic number, because the mean of its divisors is an integer number (6151179).
Almost surely, 212302357 is an apocalyptic number.
It is an amenable number.
12302357 is a deficient number, since it is larger than the sum of its proper divisors (1).
12302357 is an equidigital number, since it uses as much as digits as its factorization.
12302357 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 12302357 is about 3507.4715964638. The cubic root of 12302357 is about 230.8497676990.
Adding to 12302357 its reverse (75320321), we get a palindrome (87622678).
The spelling of 12302357 in words is "twelve million, three hundred two thousand, three hundred fifty-seven".
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