Base | Representation |
---|---|
bin | 10111011100011… |
… | …011011001010000 |
3 | 1000102010010212102 |
4 | 113130123121100 |
5 | 1301143000313 |
6 | 103010215532 |
7 | 12514143320 |
oct | 2734333120 |
9 | 1012103772 |
10 | 393328208 |
11 | 192029339 |
12 | ab8845a8 |
13 | 636468b0 |
14 | 3a349280 |
15 | 247e6a58 |
hex | 1771b650 |
393328208 has 40 divisors (see below), whose sum is σ = 937939968. Its totient is φ = 155601792.
The previous prime is 393328207. The next prime is 393328219. The reversal of 393328208 is 802823393.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (393328207) 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, 133616 + ... + 136527.
Almost surely, 2393328208 is an apocalyptic number.
It is an amenable number.
393328208 is an abundant number, since it is smaller than the sum of its proper divisors (544611760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
393328208 is a wasteful number, since it uses less digits than its factorization.
393328208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270171 (or 270165 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 38.
The square root of 393328208 is about 19832.5038257906. The cubic root of 393328208 is about 732.6867950735.
The spelling of 393328208 in words is "three hundred ninety-three million, three hundred twenty-eight thousand, two hundred eight".
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