Base | Representation |
---|---|
bin | 111010000011… |
… | …0100001011111 |
3 | 2010021021112220 |
4 | 1310012201133 |
5 | 30242413143 |
6 | 3004200423 |
7 | 516461004 |
oct | 164064137 |
9 | 63237486 |
10 | 30435423 |
11 | 161a8647 |
12 | a239113 |
13 | 63c8235 |
14 | 40838ab |
15 | 2a12d83 |
hex | 1d0685f |
30435423 has 24 divisors (see below), whose sum is σ = 44479152. Its totient is φ = 18434304.
The previous prime is 30435403. The next prime is 30435437. The reversal of 30435423 is 32453403.
It is not a de Polignac number, because 30435423 - 210 = 30434399 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30435393 and 30435402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30435403) 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 23 ways as a sum of consecutive naturals, for example, 239586 + ... + 239712.
It is an arithmetic number, because the mean of its divisors is an integer number (1853298).
Almost surely, 230435423 is an apocalyptic number.
30435423 is a deficient number, since it is larger than the sum of its proper divisors (14043729).
30435423 is a wasteful number, since it uses less digits than its factorization.
30435423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311 (or 184 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 24.
The square root of 30435423 is about 5516.8308837593. The cubic root of 30435423 is about 312.2193251580.
Adding to 30435423 its reverse (32453403), we get a palindrome (62888826).
The spelling of 30435423 in words is "thirty million, four hundred thirty-five thousand, four hundred twenty-three".
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