Base | Representation |
---|---|
bin | 111001010010… |
… | …0110100000101 |
3 | 2002111221120000 |
4 | 1302210310011 |
5 | 30142111310 |
6 | 2551431513 |
7 | 513203124 |
oct | 162446405 |
9 | 62457500 |
10 | 30035205 |
11 | 15a54992 |
12 | a085599 |
13 | 62b8015 |
14 | 3dbbabb |
15 | 29844c0 |
hex | 1ca4d05 |
30035205 has 20 divisors (see below), whose sum is σ = 53841612. Its totient is φ = 16018560.
The previous prime is 30035197. The next prime is 30035207. The reversal of 30035205 is 50253003.
It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 14424804 = 3951^2 + 3798^2 .
It is not a de Polignac number, because 30035205 - 23 = 30035197 is a prime.
It is a super-2 number, since 2×300352052 = 1804227078784050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30035207) by changing a digit.
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 19 ways as a sum of consecutive naturals, for example, 36676 + ... + 37485.
Almost surely, 230035205 is an apocalyptic number.
It is an amenable number.
30035205 is a deficient number, since it is larger than the sum of its proper divisors (23806407).
30035205 is an equidigital number, since it uses as much as digits as its factorization.
30035205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74178 (or 74169 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 18.
The square root of 30035205 is about 5480.4383948732. The cubic root of 30035205 is about 310.8447476604.
Adding to 30035205 its reverse (50253003), we get a palindrome (80288208).
The spelling of 30035205 in words is "thirty million, thirty-five thousand, two hundred five".
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