Base | Representation |
---|---|
bin | 111001101010… |
… | …0011111111011 |
3 | 2002212212111000 |
4 | 1303110133323 |
5 | 30214334043 |
6 | 2555540043 |
7 | 514645431 |
oct | 163243773 |
9 | 62785430 |
10 | 30230523 |
11 | 16078704 |
12 | a15a623 |
13 | 6355bab |
14 | 402cd51 |
15 | 29c22d3 |
hex | 1cd47fb |
30230523 has 8 divisors (see below), whose sum is σ = 44786000. Its totient is φ = 20153664.
The previous prime is 30230513. The next prime is 30230527. The reversal of 30230523 is 32503203.
It is not a de Polignac number, because 30230523 - 25 = 30230491 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30230496 and 30230505.
It is not an unprimeable number, because it can be changed into a prime (30230527) 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 7 ways as a sum of consecutive naturals, for example, 559798 + ... + 559851.
It is an arithmetic number, because the mean of its divisors is an integer number (5598250).
Almost surely, 230230523 is an apocalyptic number.
30230523 is a deficient number, since it is larger than the sum of its proper divisors (14555477).
30230523 is a wasteful number, since it uses less digits than its factorization.
30230523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1119658 (or 1119652 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 18.
The square root of 30230523 is about 5498.2290785306. The cubic root of 30230523 is about 311.5170968994.
Adding to 30230523 its reverse (32503203), we get a palindrome (62733726).
The spelling of 30230523 in words is "thirty million, two hundred thirty thousand, five hundred twenty-three".
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