Base | Representation |
---|---|
bin | 1000001001011… |
… | …00001110001001 |
3 | 11202120221220010 |
4 | 10010230032021 |
5 | 114443313234 |
6 | 10440422133 |
7 | 1456603545 |
oct | 404541611 |
9 | 152527803 |
10 | 68338569 |
11 | 35636862 |
12 | 1aa77949 |
13 | 11209530 |
14 | 910ca25 |
15 | 5eed6e9 |
hex | 412c389 |
68338569 has 8 divisors (see below), whose sum is σ = 98127232. Its totient is φ = 42054480.
The previous prime is 68338553. The next prime is 68338597. The reversal of 68338569 is 96583386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68338569 - 24 = 68338553 is a prime.
It is a super-2 number, since 2×683385692 = 9340320025935522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68338769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876097 + ... + 876174.
It is an arithmetic number, because the mean of its divisors is an integer number (12265904).
Almost surely, 268338569 is an apocalyptic number.
It is an amenable number.
68338569 is a deficient number, since it is larger than the sum of its proper divisors (29788663).
68338569 is a wasteful number, since it uses less digits than its factorization.
68338569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1752287.
The product of its digits is 933120, while the sum is 48.
The square root of 68338569 is about 8266.7145227109. The cubic root of 68338569 is about 408.8418017113.
The spelling of 68338569 in words is "sixty-eight million, three hundred thirty-eight thousand, five hundred sixty-nine".
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