Base | Representation |
---|---|
bin | 10111000111011… |
… | …11111001011111 |
3 | 111111220012001201 |
4 | 23203233321133 |
5 | 344120424412 |
6 | 31124220331 |
7 | 4543204126 |
oct | 1343577137 |
9 | 444805051 |
10 | 193920607 |
11 | 9a510471 |
12 | 54b3a6a7 |
13 | 3123912a |
14 | 1ba7cabd |
15 | 12057e57 |
hex | b8efe5f |
193920607 has 2 divisors, whose sum is σ = 193920608. Its totient is φ = 193920606.
The previous prime is 193920539. The next prime is 193920641. The reversal of 193920607 is 706029391.
It is a strong prime.
It is an emirp because it is prime and its reverse (706029391) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 193920607 - 219 = 193396319 is a prime.
It is a Chen prime.
It is equal to p10760887 and since 193920607 and 10760887 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (193920677) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96960303 + 96960304.
It is an arithmetic number, because the mean of its divisors is an integer number (96960304).
Almost surely, 2193920607 is an apocalyptic number.
193920607 is a deficient number, since it is larger than the sum of its proper divisors (1).
193920607 is an equidigital number, since it uses as much as digits as its factorization.
193920607 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 193920607 is about 13925.5379429306. The cubic root of 193920607 is about 578.8170568555.
Adding to 193920607 its reverse (706029391), we get a palindrome (899949998).
The spelling of 193920607 in words is "one hundred ninety-three million, nine hundred twenty thousand, six hundred seven".
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