Base | Representation |
---|---|
bin | 1000000111111… |
… | …01001101101100 |
3 | 11202020011202222 |
4 | 10003331031230 |
5 | 114421133103 |
6 | 10432334512 |
7 | 1455142316 |
oct | 403751554 |
9 | 152204688 |
10 | 68146028 |
11 | 35515135 |
12 | 1a9a4438 |
13 | 1116c9c2 |
14 | 909c7b6 |
15 | 5eb1638 |
hex | 40fd36c |
68146028 has 24 divisors (see below), whose sum is σ = 121700544. Its totient is φ = 33379200.
The previous prime is 68146021. The next prime is 68146031. The reversal of 68146028 is 82064186.
It is a super-2 number, since 2×681460282 = 9287762264353568, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68146021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89168 + ... + 89928.
It is an arithmetic number, because the mean of its divisors is an integer number (5070856).
Almost surely, 268146028 is an apocalyptic number.
It is an amenable number.
68146028 is a deficient number, since it is larger than the sum of its proper divisors (53554516).
68146028 is a wasteful number, since it uses less digits than its factorization.
68146028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1193 (or 1191 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 68146028 is about 8255.0607508364. The cubic root of 68146028 is about 408.4574757716.
The spelling of 68146028 in words is "sixty-eight million, one hundred forty-six thousand, twenty-eight".
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