Base | Representation |
---|---|
bin | 1000001000010… |
… | …00101110111000 |
3 | 11202022120111101 |
4 | 10010020232320 |
5 | 114424140313 |
6 | 10433341144 |
7 | 1455430006 |
oct | 404105670 |
9 | 152276441 |
10 | 68193208 |
11 | 35547626 |
12 | 1aa077b4 |
13 | 11188315 |
14 | 90b1a76 |
15 | 5ec05dd |
hex | 4108bb8 |
68193208 has 16 divisors (see below), whose sum is σ = 128143080. Its totient is φ = 34021728.
The previous prime is 68193199. The next prime is 68193217. The reversal of 68193208 is 80239186.
It is an interprime number because it is at equal distance from previous prime (68193199) and next prime (68193217).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5391 + ... + 12862.
Almost surely, 268193208 is an apocalyptic number.
It is an amenable number.
68193208 is a deficient number, since it is larger than the sum of its proper divisors (59949872).
68193208 is a wasteful number, since it uses less digits than its factorization.
68193208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18726 (or 18722 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 68193208 is about 8257.9178973879. The cubic root of 68193208 is about 408.5517174006.
The spelling of 68193208 in words is "sixty-eight million, one hundred ninety-three thousand, two hundred eight".
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