Base | Representation |
---|---|
bin | 1000001000001… |
… | …10101000100000 |
3 | 11202022010200212 |
4 | 10010012220200 |
5 | 114423401413 |
6 | 10433233252 |
7 | 1455362642 |
oct | 404065040 |
9 | 152263625 |
10 | 68184608 |
11 | 35541118 |
12 | 1aa02828 |
13 | 1118442b |
14 | 90ac892 |
15 | 5ebcca8 |
hex | 4106a20 |
68184608 has 12 divisors (see below), whose sum is σ = 134238510. Its totient is φ = 34092288.
The previous prime is 68184601. The next prime is 68184617. The reversal of 68184608 is 80648186.
It can be written as a sum of positive squares in only one way, i.e., 63808144 + 4376464 = 7988^2 + 2092^2 .
It is a super-2 number, since 2×681846082 = 9298281536227328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68184601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065353 + ... + 1065416.
Almost surely, 268184608 is an apocalyptic number.
It is an amenable number.
68184608 is a deficient number, since it is larger than the sum of its proper divisors (66053902).
68184608 is a wasteful number, since it uses less digits than its factorization.
68184608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2130779 (or 2130771 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 41.
The square root of 68184608 is about 8257.3971685998. The cubic root of 68184608 is about 408.5345422176.
The spelling of 68184608 in words is "sixty-eight million, one hundred eighty-four thousand, six hundred eight".
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