Base | Representation |
---|---|
bin | 111001001111… |
… | …1001100101011 |
3 | 2002110210000002 |
4 | 1302133030223 |
5 | 30140342303 |
6 | 2551133215 |
7 | 513046064 |
oct | 162371453 |
9 | 62423002 |
10 | 30012203 |
11 | 15a39681 |
12 | a07420b |
13 | 62aa700 |
14 | 3db356b |
15 | 297c788 |
hex | 1c9f32b |
30012203 has 12 divisors (see below), whose sum is σ = 32672088. Its totient is φ = 27555840.
The previous prime is 30012173. The next prime is 30012211. The reversal of 30012203 is 30221003.
It is not a de Polignac number, because 30012203 - 26 = 30012139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30012223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43088 + ... + 43778.
It is an arithmetic number, because the mean of its divisors is an integer number (2722674).
Almost surely, 230012203 is an apocalyptic number.
30012203 is a deficient number, since it is larger than the sum of its proper divisors (2659885).
30012203 is a wasteful number, since it uses less digits than its factorization.
30012203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974 (or 961 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 30012203 is about 5478.3394381875. The cubic root of 30012203 is about 310.7653755045.
Adding to 30012203 its reverse (30221003), we get a palindrome (60233206).
The spelling of 30012203 in words is "thirty million, twelve thousand, two hundred three".
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