Base | Representation |
---|---|
bin | 111001100010… |
… | …0110000110111 |
3 | 2002202121001220 |
4 | 1303010300313 |
5 | 30210303241 |
6 | 2554321423 |
7 | 514256505 |
oct | 163046067 |
9 | 62677056 |
10 | 30166071 |
11 | 16034241 |
12 | a129273 |
13 | 6332760 |
14 | 4013675 |
15 | 29ad166 |
hex | 1cc4c37 |
30166071 has 16 divisors (see below), whose sum is σ = 43868160. Its totient is φ = 18326880.
The previous prime is 30166049. The next prime is 30166099. The reversal of 30166071 is 17066103.
It is not a de Polignac number, because 30166071 - 25 = 30166039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30166021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1815 + ... + 7976.
It is an arithmetic number, because the mean of its divisors is an integer number (2741760).
Almost surely, 230166071 is an apocalyptic number.
30166071 is a deficient number, since it is larger than the sum of its proper divisors (13702089).
30166071 is a wasteful number, since it uses less digits than its factorization.
30166071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9886.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 30166071 is about 5492.3647912352. The cubic root of 30166071 is about 311.2955527593.
The spelling of 30166071 in words is "thirty million, one hundred sixty-six thousand, seventy-one".
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