Base | Representation |
---|---|
bin | 10111011101110… |
… | …001010101000000 |
3 | 1000102210000200212 |
4 | 113131301111000 |
5 | 1301240231232 |
6 | 103021533252 |
7 | 12520140443 |
oct | 2735612500 |
9 | 1012700625 |
10 | 393680192 |
11 | 192249834 |
12 | aba14228 |
13 | 6373ab79 |
14 | 3a3db65a |
15 | 24865eb2 |
hex | 17771540 |
393680192 has 14 divisors (see below), whose sum is σ = 781209258. Its totient is φ = 196840064.
The previous prime is 393680159. The next prime is 393680207. The reversal of 393680192 is 291086393.
It can be written as a sum of positive squares in only one way, i.e., 370793536 + 22886656 = 19256^2 + 4784^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075563 + ... + 3075690.
Almost surely, 2393680192 is an apocalyptic number.
393680192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
393680192 is a deficient number, since it is larger than the sum of its proper divisors (387529066).
393680192 is an equidigital number, since it uses as much as digits as its factorization.
393680192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6151265 (or 6151255 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 41.
The square root of 393680192 is about 19841.3757587522. The cubic root of 393680192 is about 732.9052870210.
The spelling of 393680192 in words is "three hundred ninety-three million, six hundred eighty thousand, one hundred ninety-two".
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