Base | Representation |
---|---|
bin | 1000000110110… |
… | …10100110000100 |
3 | 11201221222021010 |
4 | 10003122212010 |
5 | 114402113403 |
6 | 10425322220 |
7 | 1454012025 |
oct | 403324604 |
9 | 151858233 |
10 | 68004228 |
11 | 35428646 |
12 | 1a936370 |
13 | 111202b6 |
14 | 9062c4c |
15 | 5e84603 |
hex | 40da984 |
68004228 has 24 divisors (see below), whose sum is σ = 160135360. Its totient is φ = 22459680.
The previous prime is 68004179. The next prime is 68004259. The reversal of 68004228 is 82240086.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68004195 and 68004204.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24688 + ... + 27303.
Almost surely, 268004228 is an apocalyptic number.
It is an amenable number.
68004228 is an abundant number, since it is smaller than the sum of its proper divisors (92131132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68004228 is a wasteful number, since it uses less digits than its factorization.
68004228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52107 (or 52105 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 68004228 is about 8246.4676074062. The cubic root of 68004228 is about 408.1739694467.
The spelling of 68004228 in words is "sixty-eight million, four thousand, two hundred twenty-eight".
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