Base | Representation |
---|---|
bin | 101111011011… |
… | …110110001111 |
3 | 212101202101022 |
4 | 233123312033 |
5 | 11140403311 |
6 | 1122304355 |
7 | 210460103 |
oct | 57336617 |
9 | 25352338 |
10 | 12434831 |
11 | 7023522 |
12 | 41b80bb |
13 | 2764bb6 |
14 | 1919903 |
15 | 11595db |
hex | bdbd8f |
12434831 has 2 divisors, whose sum is σ = 12434832. Its totient is φ = 12434830.
The previous prime is 12434777. The next prime is 12434839. The reversal of 12434831 is 13843421.
It is a strong prime.
It is an emirp because it is prime and its reverse (13843421) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12434831 is a prime.
It is a super-2 number, since 2×124348312 = 309250043997122, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12434831.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12434839) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217415 + 6217416.
It is an arithmetic number, because the mean of its divisors is an integer number (6217416).
Almost surely, 212434831 is an apocalyptic number.
12434831 is a deficient number, since it is larger than the sum of its proper divisors (1).
12434831 is an equidigital number, since it uses as much as digits as its factorization.
12434831 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2304, while the sum is 26.
The square root of 12434831 is about 3526.3055738265. The cubic root of 12434831 is about 231.6754218062.
The spelling of 12434831 in words is "twelve million, four hundred thirty-four thousand, eight hundred thirty-one".
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