Base | Representation |
---|---|
bin | 111010000011… |
… | …0001101110001 |
3 | 2010021012211011 |
4 | 1310012031301 |
5 | 30242343121 |
6 | 3004150521 |
7 | 516454222 |
oct | 164061561 |
9 | 63235734 |
10 | 30434161 |
11 | 161a76aa |
12 | a238441 |
13 | 63c77a4 |
14 | 4083249 |
15 | 2a127e1 |
hex | 1d06371 |
30434161 has 2 divisors, whose sum is σ = 30434162. Its totient is φ = 30434160.
The previous prime is 30434123. The next prime is 30434167. The reversal of 30434161 is 16143403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18662400 + 11771761 = 4320^2 + 3431^2 .
It is a cyclic number.
It is not a de Polignac number, because 30434161 - 211 = 30432113 is a prime.
It is not a weakly prime, because it can be changed into another prime (30434167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15217080 + 15217081.
It is an arithmetic number, because the mean of its divisors is an integer number (15217081).
Almost surely, 230434161 is an apocalyptic number.
It is an amenable number.
30434161 is a deficient number, since it is larger than the sum of its proper divisors (1).
30434161 is an equidigital number, since it uses as much as digits as its factorization.
30434161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30434161 is about 5516.7165053136. The cubic root of 30434161 is about 312.2150097234.
Adding to 30434161 its reverse (16143403), we get a palindrome (46577564).
The spelling of 30434161 in words is "thirty million, four hundred thirty-four thousand, one hundred sixty-one".
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