Base | Representation |
---|---|
bin | 101000010100011… |
… | …0010001001110101 |
3 | 10111021122211122121 |
4 | 1100220302021311 |
5 | 10232313242334 |
6 | 342124355541 |
7 | 45345122641 |
oct | 12050621165 |
9 | 3437584577 |
10 | 1352868469 |
11 | 634728117 |
12 | 3190a5bb1 |
13 | 187388bb4 |
14 | cb963c21 |
15 | 7db84db4 |
hex | 50a32275 |
1352868469 has 2 divisors, whose sum is σ = 1352868470. Its totient is φ = 1352868468.
The previous prime is 1352868463. The next prime is 1352868493. The reversal of 1352868469 is 9648682531.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 815787844 + 537080625 = 28562^2 + 23175^2 .
It is an emirp because it is prime and its reverse (9648682531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1352868469 - 223 = 1344479861 is a prime.
It is a super-2 number, since 2×13528684692 = 3660506188828807922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1352868463) 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, 676434234 + 676434235.
It is an arithmetic number, because the mean of its divisors is an integer number (676434235).
Almost surely, 21352868469 is an apocalyptic number.
It is an amenable number.
1352868469 is a deficient number, since it is larger than the sum of its proper divisors (1).
1352868469 is an equidigital number, since it uses as much as digits as its factorization.
1352868469 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2488320, while the sum is 52.
The square root of 1352868469 is about 36781.3603473281. The cubic root of 1352868469 is about 1105.9916758418.
The spelling of 1352868469 in words is "one billion, three hundred fifty-two million, eight hundred sixty-eight thousand, four hundred sixty-nine".
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