Base | Representation |
---|---|
bin | 111001011010… |
… | …0101011111111 |
3 | 2002122020202002 |
4 | 1302310223333 |
5 | 30201201343 |
6 | 2553052515 |
7 | 513563516 |
oct | 162645377 |
9 | 62566662 |
10 | 30100223 |
11 | 15a9981a |
12 | a0b713b |
13 | 630b7aa |
14 | 3dd767d |
15 | 29988b8 |
hex | 1cb4aff |
30100223 has 2 divisors, whose sum is σ = 30100224. Its totient is φ = 30100222.
The previous prime is 30100201. The next prime is 30100229. The reversal of 30100223 is 32200103.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30100223 - 26 = 30100159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30100229) 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, 15050111 + 15050112.
It is an arithmetic number, because the mean of its divisors is an integer number (15050112).
Almost surely, 230100223 is an apocalyptic number.
30100223 is a deficient number, since it is larger than the sum of its proper divisors (1).
30100223 is an equidigital number, since it uses as much as digits as its factorization.
30100223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 30100223 is about 5486.3670128784. The cubic root of 30100223 is about 311.0688839466.
Adding to 30100223 its reverse (32200103), we get a palindrome (62300326).
The spelling of 30100223 in words is "thirty million, one hundred thousand, two hundred twenty-three".
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