Base | Representation |
---|---|
bin | 10100000100101… |
… | …11100001111100 |
3 | 102201212020112102 |
4 | 22002113201330 |
5 | 321102032303 |
6 | 24413124232 |
7 | 4113213122 |
oct | 1202274174 |
9 | 381766472 |
10 | 168392828 |
11 | 8706502a |
12 | 48489678 |
13 | 28b6b936 |
14 | 18515912 |
15 | ebb4288 |
hex | a09787c |
168392828 has 12 divisors (see below), whose sum is σ = 295953840. Its totient is φ = 83834592.
The previous prime is 168392813. The next prime is 168392857. The reversal of 168392828 is 828293861.
It is a super-2 number, since 2×1683928282 = 56712289043675168, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 89408 + ... + 91271.
It is an arithmetic number, because the mean of its divisors is an integer number (24662820).
Almost surely, 2168392828 is an apocalyptic number.
It is an amenable number.
168392828 is a deficient number, since it is larger than the sum of its proper divisors (127561012).
168392828 is a wasteful number, since it uses less digits than its factorization.
168392828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180916 (or 180914 counting only the distinct ones).
The product of its digits is 331776, while the sum is 47.
The square root of 168392828 is about 12976.6262179351. The cubic root of 168392828 is about 552.2145729903.
The spelling of 168392828 in words is "one hundred sixty-eight million, three hundred ninety-two thousand, eight hundred twenty-eight".
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