Base | Representation |
---|---|
bin | 10110111011110… |
… | …01000000000111 |
3 | 111102000011122112 |
4 | 23131321000013 |
5 | 343222310111 |
6 | 31031251235 |
7 | 4524150206 |
oct | 1335710007 |
9 | 442004575 |
10 | 192385031 |
11 | 996617a3 |
12 | 54519b1b |
13 | 30b1c1c7 |
14 | 1b79d23d |
15 | 11d52e8b |
hex | b779007 |
192385031 has 2 divisors, whose sum is σ = 192385032. Its totient is φ = 192385030.
The previous prime is 192385019. The next prime is 192385049. The reversal of 192385031 is 130583291.
192385031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is an emirp because it is prime and its reverse (130583291) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 192385031 - 210 = 192384007 is a prime.
It is a super-2 number, since 2×1923850312 = 74024000305741922, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (192385091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96192515 + 96192516.
It is an arithmetic number, because the mean of its divisors is an integer number (96192516).
Almost surely, 2192385031 is an apocalyptic number.
192385031 is a deficient number, since it is larger than the sum of its proper divisors (1).
192385031 is an equidigital number, since it uses as much as digits as its factorization.
192385031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 192385031 is about 13870.2931115388. The cubic root of 192385031 is about 577.2852031272.
The spelling of 192385031 in words is "one hundred ninety-two million, three hundred eighty-five thousand, thirty-one".
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