Base | Representation |
---|---|
bin | 1000001111101… |
… | …10111000011100 |
3 | 11211011010120112 |
4 | 10013312320130 |
5 | 120201344133 |
6 | 10510305152 |
7 | 1466631632 |
oct | 407667034 |
9 | 154133515 |
10 | 69168668 |
11 | 36053498 |
12 | 1b1b81b8 |
13 | 1143a30a |
14 | 9287352 |
15 | 6114648 |
hex | 41f6e1c |
69168668 has 12 divisors (see below), whose sum is σ = 122703840. Its totient is φ = 34110432.
The previous prime is 69168667. The next prime is 69168679. The reversal of 69168668 is 86686196.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69168661) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118148 + ... + 118731.
It is an arithmetic number, because the mean of its divisors is an integer number (10225320).
Almost surely, 269168668 is an apocalyptic number.
It is an amenable number.
69168668 is a deficient number, since it is larger than the sum of its proper divisors (53535172).
69168668 is a wasteful number, since it uses less digits than its factorization.
69168668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236956 (or 236954 counting only the distinct ones).
The product of its digits is 746496, while the sum is 50.
The square root of 69168668 is about 8316.7702865956. The cubic root of 69168668 is about 410.4905253329.
The spelling of 69168668 in words is "sixty-nine million, one hundred sixty-eight thousand, six hundred sixty-eight".
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