Base | Representation |
---|---|
bin | 111001100010… |
… | …0110001111101 |
3 | 2002202121011111 |
4 | 1303010301331 |
5 | 30210304031 |
6 | 2554322021 |
7 | 514256635 |
oct | 163046175 |
9 | 62677144 |
10 | 30166141 |
11 | 160342a5 |
12 | a129311 |
13 | 63327b5 |
14 | 40136c5 |
15 | 29ad1b1 |
hex | 1cc4c7d |
30166141 has 4 divisors (see below), whose sum is σ = 30433212. Its totient is φ = 29899072.
The previous prime is 30166139. The next prime is 30166153. The reversal of 30166141 is 14166103.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9326916 + 20839225 = 3054^2 + 4565^2 .
It is a cyclic number.
It is not a de Polignac number, because 30166141 - 21 = 30166139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30166181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133366 + ... + 133591.
It is an arithmetic number, because the mean of its divisors is an integer number (7608303).
Almost surely, 230166141 is an apocalyptic number.
It is an amenable number.
30166141 is a deficient number, since it is larger than the sum of its proper divisors (267071).
30166141 is a wasteful number, since it uses less digits than its factorization.
30166141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267070.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 30166141 is about 5492.3711637143. The cubic root of 30166141 is about 311.2957935450.
The spelling of 30166141 in words is "thirty million, one hundred sixty-six thousand, one hundred forty-one".
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