Base | Representation |
---|---|
bin | 111010100001… |
… | …1001111000001 |
3 | 2010201220200001 |
4 | 1311003033001 |
5 | 30323342342 |
6 | 3013400001 |
7 | 521545003 |
oct | 165031701 |
9 | 63656601 |
10 | 30684097 |
11 | 16358464 |
12 | a339001 |
13 | 6484492 |
14 | 410a373 |
15 | 2a618b7 |
hex | 1d433c1 |
30684097 has 2 divisors, whose sum is σ = 30684098. Its totient is φ = 30684096.
The previous prime is 30684083. The next prime is 30684109. The reversal of 30684097 is 79048603.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23970816 + 6713281 = 4896^2 + 2591^2 .
It is an emirp because it is prime and its reverse (79048603) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30684097 - 27 = 30683969 is a prime.
It is not a weakly prime, because it can be changed into another prime (30684007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15342048 + 15342049.
It is an arithmetic number, because the mean of its divisors is an integer number (15342049).
Almost surely, 230684097 is an apocalyptic number.
It is an amenable number.
30684097 is a deficient number, since it is larger than the sum of its proper divisors (1).
30684097 is an equidigital number, since it uses as much as digits as its factorization.
30684097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 30684097 is about 5539.3227925442. The cubic root of 30684097 is about 313.0673537544.
The spelling of 30684097 in words is "thirty million, six hundred eighty-four thousand, ninety-seven".
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