Base | Representation |
---|---|
bin | 10010000111111… |
… | …110100000110101 |
3 | 210012011220122101 |
4 | 102013332200311 |
5 | 1110321042244 |
6 | 50101302101 |
7 | 10351434244 |
oct | 2207764065 |
9 | 705156571 |
10 | 304080949 |
11 | 146711577 |
12 | 85a04931 |
13 | 4acc9473 |
14 | 2c55695b |
15 | 1ba680d4 |
hex | 121fe835 |
304080949 has 2 divisors, whose sum is σ = 304080950. Its totient is φ = 304080948.
The previous prime is 304080947. The next prime is 304080961. The reversal of 304080949 is 949080403.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 224550225 + 79530724 = 14985^2 + 8918^2 .
It is a cyclic number.
It is not a de Polignac number, because 304080949 - 21 = 304080947 is a prime.
Together with 304080947, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (304080943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152040474 + 152040475.
It is an arithmetic number, because the mean of its divisors is an integer number (152040475).
Almost surely, 2304080949 is an apocalyptic number.
It is an amenable number.
304080949 is a deficient number, since it is larger than the sum of its proper divisors (1).
304080949 is an equidigital number, since it uses as much as digits as its factorization.
304080949 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 304080949 is about 17437.9169914299. The cubic root of 304080949 is about 672.4547577622.
The spelling of 304080949 in words is "three hundred four million, eighty thousand, nine hundred forty-nine".
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