Base | Representation |
---|---|
bin | 111010000010… |
… | …0100000100001 |
3 | 2010020212020012 |
4 | 1310010200201 |
5 | 30242132134 |
6 | 3004054305 |
7 | 516424643 |
oct | 164044041 |
9 | 63225205 |
10 | 30427169 |
11 | 161a2423 |
12 | a234395 |
13 | 63c4556 |
14 | 4080893 |
15 | 2a106ce |
hex | 1d04821 |
30427169 has 2 divisors, whose sum is σ = 30427170. Its totient is φ = 30427168.
The previous prime is 30427157. The next prime is 30427181. The reversal of 30427169 is 96172403.
It is a balanced prime because it is at equal distance from previous prime (30427157) and next prime (30427181).
It can be written as a sum of positive squares in only one way, i.e., 29593600 + 833569 = 5440^2 + 913^2 .
It is a cyclic number.
It is not a de Polignac number, because 30427169 - 24 = 30427153 is a prime.
It is a super-2 number, since 2×304271692 = 1851625226709122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30427109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15213584 + 15213585.
It is an arithmetic number, because the mean of its divisors is an integer number (15213585).
Almost surely, 230427169 is an apocalyptic number.
It is an amenable number.
30427169 is a deficient number, since it is larger than the sum of its proper divisors (1).
30427169 is an equidigital number, since it uses as much as digits as its factorization.
30427169 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 30427169 is about 5516.0827586250. The cubic root of 30427169 is about 312.1910982757.
The spelling of 30427169 in words is "thirty million, four hundred twenty-seven thousand, one hundred sixty-nine".
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