Base | Representation |
---|---|
bin | 111010110100… |
… | …0010001110001 |
3 | 2011000121210121 |
4 | 1311220101301 |
5 | 30343221300 |
6 | 3020530241 |
7 | 523046236 |
oct | 165502161 |
9 | 64017717 |
10 | 30835825 |
11 | 16451459 |
12 | a3b0981 |
13 | 6508567 |
14 | 414978d |
15 | 2a9181a |
hex | 1d68471 |
30835825 has 6 divisors (see below), whose sum is σ = 38236454. Its totient is φ = 24668640.
The previous prime is 30835811. The next prime is 30835867. The reversal of 30835825 is 52853803.
It can be written as a sum of positive squares in 3 ways, for example, as 16 + 30835809 = 4^2 + 5553^2 .
It is not a de Polignac number, because 30835825 - 217 = 30704753 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616692 + ... + 616741.
Almost surely, 230835825 is an apocalyptic number.
It is an amenable number.
30835825 is a deficient number, since it is larger than the sum of its proper divisors (7400629).
30835825 is a wasteful number, since it uses less digits than its factorization.
30835825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1233443 (or 1233438 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 34.
The square root of 30835825 is about 5553.0014406625. The cubic root of 30835825 is about 313.5825283601.
The spelling of 30835825 in words is "thirty million, eight hundred thirty-five thousand, eight hundred twenty-five".
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