Base | Representation |
---|---|
bin | 111001111001… |
… | …0111000100001 |
3 | 2010010012012102 |
4 | 1303302320201 |
5 | 30232324402 |
6 | 3002340145 |
7 | 516004322 |
oct | 163627041 |
9 | 63105172 |
10 | 30354977 |
11 | 16153164 |
12 | a1ba655 |
13 | 639a733 |
14 | 4062449 |
15 | 29e9102 |
hex | 1cf2e21 |
30354977 has 2 divisors, whose sum is σ = 30354978. Its totient is φ = 30354976.
The previous prime is 30354971. The next prime is 30355019. The reversal of 30354977 is 77945303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28047616 + 2307361 = 5296^2 + 1519^2 .
It is an emirp because it is prime and its reverse (77945303) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30354977 - 218 = 30092833 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30354977.
It is not a weakly prime, because it can be changed into another prime (30354971) 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, 15177488 + 15177489.
It is an arithmetic number, because the mean of its divisors is an integer number (15177489).
Almost surely, 230354977 is an apocalyptic number.
It is an amenable number.
30354977 is a deficient number, since it is larger than the sum of its proper divisors (1).
30354977 is an equidigital number, since it uses as much as digits as its factorization.
30354977 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 79380, while the sum is 38.
The square root of 30354977 is about 5509.5350983545. The cubic root of 30354977 is about 311.9439995097.
The spelling of 30354977 in words is "thirty million, three hundred fifty-four thousand, nine hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •