Base | Representation |
---|---|
bin | 111010000110… |
… | …1000111110001 |
3 | 2010022122121212 |
4 | 1310031013301 |
5 | 30244244244 |
6 | 3004525505 |
7 | 516632543 |
oct | 164150761 |
9 | 63278555 |
10 | 30462449 |
11 | 16216986 |
12 | a250895 |
13 | 6407624 |
14 | 408d693 |
15 | 2a1ad9e |
hex | 1d0d1f1 |
30462449 has 2 divisors, whose sum is σ = 30462450. Its totient is φ = 30462448.
The previous prime is 30462431. The next prime is 30462451. The reversal of 30462449 is 94426403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22800625 + 7661824 = 4775^2 + 2768^2 .
It is a cyclic number.
It is not a de Polignac number, because 30462449 - 28 = 30462193 is a prime.
It is a super-4 number, since 4×304624494 (a number of 31 digits) contains 4444 as substring.
Together with 30462451, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30462049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15231224 + 15231225.
It is an arithmetic number, because the mean of its divisors is an integer number (15231225).
Almost surely, 230462449 is an apocalyptic number.
It is an amenable number.
30462449 is a deficient number, since it is larger than the sum of its proper divisors (1).
30462449 is an equidigital number, since it uses as much as digits as its factorization.
30462449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 30462449 is about 5519.2797537360. The cubic root of 30462449 is about 312.3117124958.
The spelling of 30462449 in words is "thirty million, four hundred sixty-two thousand, four hundred forty-nine".
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