Base | Representation |
---|---|
bin | 111010000110… |
… | …0101110011001 |
3 | 2010022120101201 |
4 | 1310030232121 |
5 | 30244221300 |
6 | 3004514201 |
7 | 516625033 |
oct | 164145631 |
9 | 63276351 |
10 | 30460825 |
11 | 1621573a |
12 | a24b961 |
13 | 6406975 |
14 | 408cc53 |
15 | 2a1a66a |
hex | 1d0cb99 |
30460825 has 6 divisors (see below), whose sum is σ = 37771454. Its totient is φ = 24368640.
The previous prime is 30460811. The next prime is 30460831. The reversal of 30460825 is 52806403.
It can be written as a sum of positive squares in 3 ways, for example, as 6215049 + 24245776 = 2493^2 + 4924^2 .
It is a de Polignac number, because none of the positive numbers 2k-30460825 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30460793 and 30460802.
It is an unprimeable number.
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 in 5 ways as a sum of consecutive naturals, for example, 609192 + ... + 609241.
Almost surely, 230460825 is an apocalyptic number.
It is an amenable number.
30460825 is a deficient number, since it is larger than the sum of its proper divisors (7310629).
30460825 is a wasteful number, since it uses less digits than its factorization.
30460825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1218443 (or 1218438 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 30460825 is about 5519.1326311296. The cubic root of 30460825 is about 312.3061624579.
The spelling of 30460825 in words is "thirty million, four hundred sixty thousand, eight hundred twenty-five".
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