Base | Representation |
---|---|
bin | 111001111111… |
… | …0101000011111 |
3 | 2010012122012212 |
4 | 1303332220133 |
5 | 30240344403 |
6 | 3003351035 |
7 | 516264533 |
oct | 163765037 |
9 | 63178185 |
10 | 30403103 |
11 | 16186335 |
12 | a22247b |
13 | 63b6603 |
14 | 4075bc3 |
15 | 2a084d8 |
hex | 1cfea1f |
30403103 has 2 divisors, whose sum is σ = 30403104. Its totient is φ = 30403102.
The previous prime is 30403091. The next prime is 30403111. The reversal of 30403103 is 30130403.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (30130403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30403103 - 26 = 30403039 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30403133) 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, 15201551 + 15201552.
It is an arithmetic number, because the mean of its divisors is an integer number (15201552).
Almost surely, 230403103 is an apocalyptic number.
30403103 is a deficient number, since it is larger than the sum of its proper divisors (1).
30403103 is an equidigital number, since it uses as much as digits as its factorization.
30403103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 30403103 is about 5513.9008877563. The cubic root of 30403103 is about 312.1087686461.
Adding to 30403103 its reverse (30130403), we get a palindrome (60533506).
The spelling of 30403103 in words is "thirty million, four hundred three thousand, one hundred three".
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