Base | Representation |
---|---|
bin | 111001011010… |
… | …1011011011111 |
3 | 2002122101220200 |
4 | 1302311123133 |
5 | 30201301023 |
6 | 2553114543 |
7 | 513605421 |
oct | 162653337 |
9 | 62571820 |
10 | 30103263 |
11 | 15aa1033 |
12 | a0b8a53 |
13 | 630cca8 |
14 | 3dd8811 |
15 | 2999743 |
hex | 1cb56df |
30103263 has 12 divisors (see below), whose sum is σ = 44885568. Its totient is φ = 19421280.
The previous prime is 30103259. The next prime is 30103279. The reversal of 30103263 is 36230103.
It is a happy number.
It is not a de Polignac number, because 30103263 - 22 = 30103259 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30103063) 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 in 11 ways as a sum of consecutive naturals, for example, 53670 + ... + 54227.
It is an arithmetic number, because the mean of its divisors is an integer number (3740464).
Almost surely, 230103263 is an apocalyptic number.
30103263 is a deficient number, since it is larger than the sum of its proper divisors (14782305).
30103263 is a wasteful number, since it uses less digits than its factorization.
30103263 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107934 (or 107931 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 30103263 is about 5486.6440562515. The cubic root of 30103263 is about 311.0793558244.
Adding to 30103263 its reverse (36230103), we get a palindrome (66333366).
The spelling of 30103263 in words is "thirty million, one hundred three thousand, two hundred sixty-three".
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