Base | Representation |
---|---|
bin | 111001001110… |
… | …1101111010001 |
3 | 2002110110210200 |
4 | 1302131233101 |
5 | 30140144400 |
6 | 2551045413 |
7 | 513022464 |
oct | 162355721 |
9 | 62413720 |
10 | 30006225 |
11 | 15a35137 |
12 | a070869 |
13 | 62a7a82 |
14 | 3db12db |
15 | 297ab00 |
hex | 1c9dbd1 |
30006225 has 36 divisors (see below), whose sum is σ = 56581200. Its totient is φ = 15158880.
The previous prime is 30006209. The next prime is 30006227. The reversal of 30006225 is 52260003.
It is not a de Polignac number, because 30006225 - 24 = 30006209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30006198 and 30006207.
It is not an unprimeable number, because it can be changed into a prime (30006227) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 766 + ... + 7784.
It is an arithmetic number, because the mean of its divisors is an integer number (1571700).
Almost surely, 230006225 is an apocalyptic number.
It is an amenable number.
30006225 is a deficient number, since it is larger than the sum of its proper divisors (26574975).
30006225 is a wasteful number, since it uses less digits than its factorization.
30006225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7054 (or 7046 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 30006225 is about 5477.7938077295. The cubic root of 30006225 is about 310.7447408005.
Adding to 30006225 its reverse (52260003), we get a palindrome (82266228).
The spelling of 30006225 in words is "thirty million, six thousand, two hundred twenty-five".
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