Base | Representation |
---|---|
bin | 111010111111… |
… | …0001110100101 |
3 | 2011012012010112 |
4 | 1311332032211 |
5 | 30404110413 |
6 | 3022502405 |
7 | 523602326 |
oct | 165761645 |
9 | 64165115 |
10 | 30925733 |
11 | 16502a63 |
12 | a434a05 |
13 | 653a467 |
14 | 417044d |
15 | 2aad2a8 |
hex | 1d7e3a5 |
30925733 has 2 divisors, whose sum is σ = 30925734. Its totient is φ = 30925732.
The previous prime is 30925723. The next prime is 30925751. The reversal of 30925733 is 33752903.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21883684 + 9042049 = 4678^2 + 3007^2 .
It is a cyclic number.
It is not a de Polignac number, because 30925733 - 210 = 30924709 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30925733.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30925723) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15462866 + 15462867.
It is an arithmetic number, because the mean of its divisors is an integer number (15462867).
Almost surely, 230925733 is an apocalyptic number.
It is an amenable number.
30925733 is a deficient number, since it is larger than the sum of its proper divisors (1).
30925733 is an equidigital number, since it uses as much as digits as its factorization.
30925733 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17010, while the sum is 32.
The square root of 30925733 is about 5561.0909900846. The cubic root of 30925733 is about 313.8870034409.
The spelling of 30925733 in words is "thirty million, nine hundred twenty-five thousand, seven hundred thirty-three".
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