Base | Representation |
---|---|
bin | 111010000011… |
… | …0001110011101 |
3 | 2010021012212210 |
4 | 1310012032131 |
5 | 30242343310 |
6 | 3004151033 |
7 | 516454314 |
oct | 164061635 |
9 | 63235783 |
10 | 30434205 |
11 | 161a773a |
12 | a238479 |
13 | 63c7809 |
14 | 408327b |
15 | 2a12820 |
hex | 1d0639d |
30434205 has 8 divisors (see below), whose sum is σ = 48694752. Its totient is φ = 16231568.
The previous prime is 30434167. The next prime is 30434207. The reversal of 30434205 is 50243403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30434205 - 213 = 30426013 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30434207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014459 + ... + 1014488.
It is an arithmetic number, because the mean of its divisors is an integer number (6086844).
Almost surely, 230434205 is an apocalyptic number.
It is an amenable number.
30434205 is a deficient number, since it is larger than the sum of its proper divisors (18260547).
30434205 is a wasteful number, since it uses less digits than its factorization.
30434205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2028955.
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 30434205 is about 5516.7204931916. The cubic root of 30434205 is about 312.2151601843.
Adding to 30434205 its reverse (50243403), we get a palindrome (80677608).
The spelling of 30434205 in words is "thirty million, four hundred thirty-four thousand, two hundred five".
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