| Base | Representation |
|---|---|
| bin | 10100000011011… |
| … | …10001101111000 |
| 3 | 102201112122102000 |
| 4 | 22001232031320 |
| 5 | 321031123413 |
| 6 | 24405341000 |
| 7 | 4111606560 |
| oct | 1201561570 |
| 9 | 381478360 |
| 10 | 168223608 |
| 11 | 86a59983 |
| 12 | 48407760 |
| 13 | 28b0c8c7 |
| 14 | 184adda0 |
| 15 | eb7e073 |
| hex | a06e378 |
168223608 has 256 divisors, whose sum is σ = 572006400. Its totient is φ = 44789760.
The previous prime is 168223607. The next prime is 168223613. The reversal of 168223608 is 806322861.
168223608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 168223608 = 303 + 5523 = 2013 + 5433.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168223607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1734216 + ... + 1734312.
It is an arithmetic number, because the mean of its divisors is an integer number (2234400).
Almost surely, 2168223608 is an apocalyptic number.
168223608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168223608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286003200).
168223608 is an abundant number, since it is smaller than the sum of its proper divisors (403782792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168223608 is a wasteful number, since it uses less digits than its factorization.
168223608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187 (or 177 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 168223608 is about 12970.1043943370. The cubic root of 168223608 is about 552.0295352817.
The spelling of 168223608 in words is "one hundred sixty-eight million, two hundred twenty-three thousand, six hundred eight".
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