Base | Representation |
---|---|
bin | 111010101000… |
… | …1000100100011 |
3 | 2010211210102002 |
4 | 1311101010203 |
5 | 30332201041 |
6 | 3014514215 |
7 | 522202145 |
oct | 165210443 |
9 | 63753362 |
10 | 30740771 |
11 | 16396aa6 |
12 | a36596b |
13 | 64a4209 |
14 | 4122c95 |
15 | 2a7359b |
hex | 1d51123 |
30740771 has 2 divisors, whose sum is σ = 30740772. Its totient is φ = 30740770.
The previous prime is 30740761. The next prime is 30740789. The reversal of 30740771 is 17704703.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30740771 - 26 = 30740707 is a prime.
It is not a weakly prime, because it can be changed into another prime (30740761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15370385 + 15370386.
It is an arithmetic number, because the mean of its divisors is an integer number (15370386).
Almost surely, 230740771 is an apocalyptic number.
30740771 is a deficient number, since it is larger than the sum of its proper divisors (1).
30740771 is an equidigital number, since it uses as much as digits as its factorization.
30740771 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4116, while the sum is 29.
The square root of 30740771 is about 5544.4360398511. The cubic root of 30740771 is about 313.2599819495.
The spelling of 30740771 in words is "thirty million, seven hundred forty thousand, seven hundred seventy-one".
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