Base | Representation |
---|---|
bin | 111010011101… |
… | …0101100001001 |
3 | 2010200010122202 |
4 | 1310322230021 |
5 | 30321232342 |
6 | 3012525545 |
7 | 521340653 |
oct | 164725411 |
9 | 63603582 |
10 | 30649097 |
11 | 16334136 |
12 | a3208b5 |
13 | 647157b |
14 | 40db6d3 |
15 | 2a56332 |
hex | 1d3ab09 |
30649097 has 2 divisors, whose sum is σ = 30649098. Its totient is φ = 30649096.
The previous prime is 30649081. The next prime is 30649117. The reversal of 30649097 is 79094603.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29474041 + 1175056 = 5429^2 + 1084^2 .
It is a cyclic number.
It is not a de Polignac number, because 30649097 - 24 = 30649081 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30649097.
It is not a weakly prime, because it can be changed into another prime (30649007) 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, 15324548 + 15324549.
It is an arithmetic number, because the mean of its divisors is an integer number (15324549).
Almost surely, 230649097 is an apocalyptic number.
It is an amenable number.
30649097 is a deficient number, since it is larger than the sum of its proper divisors (1).
30649097 is an equidigital number, since it uses as much as digits as its factorization.
30649097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40824, while the sum is 38.
The square root of 30649097 is about 5536.1626601826. The cubic root of 30649097 is about 312.9482744127.
The spelling of 30649097 in words is "thirty million, six hundred forty-nine thousand, ninety-seven".
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