Base | Representation |
---|---|
bin | 111001010011… |
… | …0100011110111 |
3 | 2002112022100222 |
4 | 1302212203313 |
5 | 30142323414 |
6 | 2551524555 |
7 | 513233024 |
oct | 162464367 |
9 | 62468328 |
10 | 30042359 |
11 | 15a5a2a6 |
12 | a08975b |
13 | 62bb359 |
14 | 3dc054b |
15 | 298668e |
hex | 1ca68f7 |
30042359 has 2 divisors, whose sum is σ = 30042360. Its totient is φ = 30042358.
The previous prime is 30042343. The next prime is 30042373. The reversal of 30042359 is 95324003.
It is a strong prime.
It is an emirp because it is prime and its reverse (95324003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30042359 - 24 = 30042343 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30044359) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021179 + 15021180.
It is an arithmetic number, because the mean of its divisors is an integer number (15021180).
Almost surely, 230042359 is an apocalyptic number.
30042359 is a deficient number, since it is larger than the sum of its proper divisors (1).
30042359 is an equidigital number, since it uses as much as digits as its factorization.
30042359 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 30042359 is about 5481.0910410246. The cubic root of 30042359 is about 310.8694254431.
The spelling of 30042359 in words is "thirty million, forty-two thousand, three hundred fifty-nine".
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