Base | Representation |
---|---|
bin | 111010000011… |
… | …0110100010001 |
3 | 2010021100012102 |
4 | 1310012310101 |
5 | 30242433000 |
6 | 3004210145 |
7 | 516464342 |
oct | 164066421 |
9 | 63240172 |
10 | 30436625 |
11 | 161a953a |
12 | a239955 |
13 | 63c894b |
14 | 40840c9 |
15 | 2a133d5 |
hex | 1d06d11 |
30436625 has 16 divisors (see below), whose sum is σ = 38638080. Its totient is φ = 23930800.
The previous prime is 30436597. The next prime is 30436643. The reversal of 30436625 is 52663403.
It is not a de Polignac number, because 30436625 - 212 = 30432529 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5312 + ... + 9438.
It is an arithmetic number, because the mean of its divisors is an integer number (2414880).
Almost surely, 230436625 is an apocalyptic number.
It is an amenable number.
30436625 is a deficient number, since it is larger than the sum of its proper divisors (8201455).
30436625 is an equidigital number, since it uses as much as digits as its factorization.
30436625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4201 (or 4191 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 29.
The square root of 30436625 is about 5516.9398220390. The cubic root of 30436625 is about 312.2234353105.
The spelling of 30436625 in words is "thirty million, four hundred thirty-six thousand, six hundred twenty-five".
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