Base | Representation |
---|---|
bin | 111001011010… |
… | …1011010111001 |
3 | 2002122101212021 |
4 | 1302311122321 |
5 | 30201300400 |
6 | 2553114441 |
7 | 513605335 |
oct | 162653271 |
9 | 62571767 |
10 | 30103225 |
11 | 15aa0aa9 |
12 | a0b8a21 |
13 | 630cc79 |
14 | 3dd87c5 |
15 | 299971a |
hex | 1cb56b9 |
30103225 has 24 divisors (see below), whose sum is σ = 39184992. Its totient is φ = 22915200.
The previous prime is 30103217. The next prime is 30103231. The reversal of 30103225 is 52230103.
It is not a de Polignac number, because 30103225 - 23 = 30103217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30103199 and 30103208.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43734 + ... + 44416.
It is an arithmetic number, because the mean of its divisors is an integer number (1632708).
Almost surely, 230103225 is an apocalyptic number.
It is an amenable number.
30103225 is a deficient number, since it is larger than the sum of its proper divisors (9081767).
30103225 is a wasteful number, since it uses less digits than its factorization.
30103225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777 (or 772 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 30103225 is about 5486.6405932957. The cubic root of 30103225 is about 311.0792249303.
Adding to 30103225 its reverse (52230103), we get a palindrome (82333328).
The spelling of 30103225 in words is "thirty million, one hundred three thousand, two hundred twenty-five".
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