Base | Representation |
---|---|
bin | 111001100111… |
… | …0100011010011 |
3 | 2002211122001210 |
4 | 1303032203103 |
5 | 30213044123 |
6 | 2555231203 |
7 | 514514421 |
oct | 163164323 |
9 | 62748053 |
10 | 30206163 |
11 | 16061379 |
12 | a148503 |
13 | 6347a90 |
14 | 4024111 |
15 | 29b9e93 |
hex | 1cce8d3 |
30206163 has 16 divisors (see below), whose sum is σ = 44087456. Its totient is φ = 18282240.
The previous prime is 30206149. The next prime is 30206177. The reversal of 30206163 is 36160203.
It is an interprime number because it is at equal distance from previous prime (30206149) and next prime (30206177).
It is not a de Polignac number, because 30206163 - 24 = 30206147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30206063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3970 + ... + 8727.
It is an arithmetic number, because the mean of its divisors is an integer number (2755466).
Almost surely, 230206163 is an apocalyptic number.
30206163 is a deficient number, since it is larger than the sum of its proper divisors (13881293).
30206163 is a wasteful number, since it uses less digits than its factorization.
30206163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12774.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 30206163 is about 5496.0133733462. The cubic root of 30206163 is about 311.4334000818.
Adding to 30206163 its reverse (36160203), we get a palindrome (66366366).
The spelling of 30206163 in words is "thirty million, two hundred six thousand, one hundred sixty-three".
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