Base | Representation |
---|---|
bin | 1000001100101… |
… | …00111011101101 |
3 | 11210101202020022 |
4 | 10012110323231 |
5 | 120101024334 |
6 | 10453531525 |
7 | 1463341151 |
oct | 406247355 |
9 | 153352208 |
10 | 68767469 |
11 | 358aa021 |
12 | 1b043ba5 |
13 | 11329814 |
14 | 91c1061 |
15 | 608582e |
hex | 4194eed |
68767469 has 2 divisors, whose sum is σ = 68767470. Its totient is φ = 68767468.
The previous prime is 68767463. The next prime is 68767483. The reversal of 68767469 is 96476786.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47955625 + 20811844 = 6925^2 + 4562^2 .
It is a cyclic number.
It is not a de Polignac number, because 68767469 - 24 = 68767453 is a prime.
It is a super-2 number, since 2×687674692 = 9457929585331922, 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 68767469.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68767463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34383734 + 34383735.
It is an arithmetic number, because the mean of its divisors is an integer number (34383735).
Almost surely, 268767469 is an apocalyptic number.
It is an amenable number.
68767469 is a deficient number, since it is larger than the sum of its proper divisors (1).
68767469 is an equidigital number, since it uses as much as digits as its factorization.
68767469 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3048192, while the sum is 53.
The square root of 68767469 is about 8292.6153293156. The cubic root of 68767469 is about 409.6953298729.
The spelling of 68767469 in words is "sixty-eight million, seven hundred sixty-seven thousand, four hundred sixty-nine".
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