Base | Representation |
---|---|
bin | 111010000010… |
… | …0001000011110 |
3 | 2010020210010012 |
4 | 1310010020132 |
5 | 30242110010 |
6 | 3004043222 |
7 | 516420314 |
oct | 164041036 |
9 | 63223105 |
10 | 30425630 |
11 | 161a1254 |
12 | a233512 |
13 | 63c3941 |
14 | 40800b4 |
15 | 2a10005 |
hex | 1d0421e |
30425630 has 16 divisors (see below), whose sum is σ = 55538784. Its totient is φ = 11998560.
The previous prime is 30425623. The next prime is 30425671. The reversal of 30425630 is 3652403.
It is a junction number, because it is equal to n+sod(n) for n = 30425596 and 30425605.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20717 + ... + 22136.
It is an arithmetic number, because the mean of its divisors is an integer number (3471174).
Almost surely, 230425630 is an apocalyptic number.
30425630 is a deficient number, since it is larger than the sum of its proper divisors (25113154).
30425630 is a wasteful number, since it uses less digits than its factorization.
30425630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42931.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 30425630 is about 5515.9432556907. The cubic root of 30425630 is about 312.1858346663.
The spelling of 30425630 in words is "thirty million, four hundred twenty-five thousand, six hundred thirty".
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