Base | Representation |
---|---|
bin | 1000001010001… |
… | …11011010010101 |
3 | 11202210121200000 |
4 | 10011013122111 |
5 | 120010344231 |
6 | 10443041513 |
7 | 1460546340 |
oct | 405073225 |
9 | 152717600 |
10 | 68449941 |
11 | 357024aa |
12 | 1ab10299 |
13 | 11248131 |
14 | 913b457 |
15 | 60216e6 |
hex | 4147695 |
68449941 has 24 divisors (see below), whose sum is σ = 117184704. Its totient is φ = 39113280.
The previous prime is 68449921. The next prime is 68449949. The reversal of 68449941 is 14994486.
It is not a de Polignac number, because 68449941 - 219 = 67925653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68449949) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18420 + ... + 21821.
It is an arithmetic number, because the mean of its divisors is an integer number (4882696).
Almost surely, 268449941 is an apocalyptic number.
It is an amenable number.
68449941 is a deficient number, since it is larger than the sum of its proper divisors (48734763).
68449941 is an equidigital number, since it uses as much as digits as its factorization.
68449941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40263 (or 40251 counting only the distinct ones).
The product of its digits is 248832, while the sum is 45.
The square root of 68449941 is about 8273.4479511265. The cubic root of 68449941 is about 409.0637789281.
It can be divided in two parts, 684 and 49941, that added together give a 4-th power (50625 = 154).
The spelling of 68449941 in words is "sixty-eight million, four hundred forty-nine thousand, nine hundred forty-one".
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