Base | Representation |
---|---|
bin | 111010110011… |
… | …1011001111101 |
3 | 2011000102220022 |
4 | 1311213121331 |
5 | 30343113003 |
6 | 3020501525 |
7 | 523032644 |
oct | 165473175 |
9 | 64012808 |
10 | 30832253 |
11 | 16449801 |
12 | a3aa8a5 |
13 | 6506a4a |
14 | 414835b |
15 | 2a90738 |
hex | 1d6767d |
30832253 has 2 divisors, whose sum is σ = 30832254. Its totient is φ = 30832252.
The previous prime is 30832223. The next prime is 30832297. The reversal of 30832253 is 35223803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26759929 + 4072324 = 5173^2 + 2018^2 .
It is an emirp because it is prime and its reverse (35223803) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30832253 - 26 = 30832189 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30832223) 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 as a sum of consecutive naturals, namely, 15416126 + 15416127.
It is an arithmetic number, because the mean of its divisors is an integer number (15416127).
Almost surely, 230832253 is an apocalyptic number.
It is an amenable number.
30832253 is a deficient number, since it is larger than the sum of its proper divisors (1).
30832253 is an equidigital number, since it uses as much as digits as its factorization.
30832253 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 30832253 is about 5552.6798034823. The cubic root of 30832253 is about 313.5704195003.
The spelling of 30832253 in words is "thirty million, eight hundred thirty-two thousand, two hundred fifty-three".
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