Base | Representation |
---|---|
bin | 111010110001… |
… | …0000011010011 |
3 | 2010222022211002 |
4 | 1311202003103 |
5 | 30341412243 |
6 | 3020212215 |
7 | 522612005 |
oct | 165420323 |
9 | 63868732 |
10 | 30810323 |
11 | 16434285 |
12 | a39a06b |
13 | 64c9a7b |
14 | 4140375 |
15 | 2a88eb8 |
hex | 1d620d3 |
30810323 has 4 divisors (see below), whose sum is σ = 31032120. Its totient is φ = 30588528.
The previous prime is 30810319. The next prime is 30810361. The reversal of 30810323 is 32301803.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30810323 - 22 = 30810319 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30810295 and 30810304.
It is not an unprimeable number, because it can be changed into a prime (30810313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110690 + ... + 110967.
It is an arithmetic number, because the mean of its divisors is an integer number (7758030).
Almost surely, 230810323 is an apocalyptic number.
30810323 is a deficient number, since it is larger than the sum of its proper divisors (221797).
30810323 is a wasteful number, since it uses less digits than its factorization.
30810323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221796.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 30810323 is about 5550.7047300320. The cubic root of 30810323 is about 313.4960576482.
The spelling of 30810323 in words is "thirty million, eight hundred ten thousand, three hundred twenty-three".
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