Base | Representation |
---|---|
bin | 10111000110101… |
… | …00100011100000 |
3 | 111111200111102121 |
4 | 23203110203200 |
5 | 344103333413 |
6 | 31121554024 |
7 | 4542226450 |
oct | 1343244340 |
9 | 444614377 |
10 | 193808608 |
11 | 9a444304 |
12 | 54aa5914 |
13 | 311ca166 |
14 | 1ba4dd60 |
15 | 12034b8d |
hex | b8d48e0 |
193808608 has 24 divisors (see below), whose sum is σ = 436069872. Its totient is φ = 83060736.
The previous prime is 193808591. The next prime is 193808609. The reversal of 193808608 is 806808391.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193808609) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432385 + ... + 432832.
It is an arithmetic number, because the mean of its divisors is an integer number (18169578).
Almost surely, 2193808608 is an apocalyptic number.
It is an amenable number.
193808608 is an abundant number, since it is smaller than the sum of its proper divisors (242261264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193808608 is an equidigital number, since it uses as much as digits as its factorization.
193808608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 865234 (or 865226 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 193808608 is about 13921.5160094007. The cubic root of 193808608 is about 578.7056033130.
The spelling of 193808608 in words is "one hundred ninety-three million, eight hundred eight thousand, six hundred eight".
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