Base | Representation |
---|---|
bin | 111001111001… |
… | …0011011110111 |
3 | 2010010002200111 |
4 | 1303302123313 |
5 | 30232300033 |
6 | 3002323451 |
7 | 515666062 |
oct | 163623367 |
9 | 63102614 |
10 | 30353143 |
11 | 16151847 |
12 | a1b9587 |
13 | 6399952 |
14 | 40618d9 |
15 | 29e87cd |
hex | 1cf26f7 |
30353143 has 16 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 27795456.
The previous prime is 30353119. The next prime is 30353159. The reversal of 30353143 is 34135303.
It is a cyclic number.
It is not a de Polignac number, because 30353143 - 29 = 30352631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30353443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130155 + ... + 130387.
It is an arithmetic number, because the mean of its divisors is an integer number (2063880).
Almost surely, 230353143 is an apocalyptic number.
30353143 is a deficient number, since it is larger than the sum of its proper divisors (2668937).
30353143 is a wasteful number, since it uses less digits than its factorization.
30353143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426.
The product of its (nonzero) digits is 1620, while the sum is 22.
The square root of 30353143 is about 5509.3686571149. The cubic root of 30353143 is about 311.9377169945.
Adding to 30353143 its reverse (34135303), we get a palindrome (64488446).
The spelling of 30353143 in words is "thirty million, three hundred fifty-three thousand, one hundred forty-three".
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