Base | Representation |
---|---|
bin | 111010110001… |
… | …0111101010001 |
3 | 2010222111220111 |
4 | 1311202331101 |
5 | 30342022113 |
6 | 3020241321 |
7 | 522625555 |
oct | 165427521 |
9 | 63874814 |
10 | 30814033 |
11 | 16437048 |
12 | a3a0241 |
13 | 64cb673 |
14 | 4141865 |
15 | 2a8a13d |
hex | 1d62f51 |
30814033 has 2 divisors, whose sum is σ = 30814034. Its totient is φ = 30814032.
The previous prime is 30813977. The next prime is 30814097. The reversal of 30814033 is 33041803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20720704 + 10093329 = 4552^2 + 3177^2 .
It is an emirp because it is prime and its reverse (33041803) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30814033 - 29 = 30813521 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30813995 and 30814013.
It is not a weakly prime, because it can be changed into another prime (30814633) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15407016 + 15407017.
It is an arithmetic number, because the mean of its divisors is an integer number (15407017).
Almost surely, 230814033 is an apocalyptic number.
It is an amenable number.
30814033 is a deficient number, since it is larger than the sum of its proper divisors (1).
30814033 is an equidigital number, since it uses as much as digits as its factorization.
30814033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30814033 is about 5551.0389117714. The cubic root of 30814033 is about 313.5086402675.
Adding to 30814033 its reverse (33041803), we get a palindrome (63855836).
It can be divided in two parts, 308 and 14033, that added together give a palindrome (14341).
The spelling of 30814033 in words is "thirty million, eight hundred fourteen thousand, thirty-three".
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