Base | Representation |
---|---|
bin | 11100111110111… |
… | …01111100111011 |
3 | 121221111021220011 |
4 | 32133131330323 |
5 | 444220131141 |
6 | 40043042351 |
7 | 6011400214 |
oct | 1637357473 |
9 | 557437804 |
10 | 243130171 |
11 | 115271329 |
12 | 695103b7 |
13 | 3b4a880b |
14 | 2440c40b |
15 | 16528881 |
hex | e7ddf3b |
243130171 has 8 divisors (see below), whose sum is σ = 262450080. Its totient is φ = 224539392.
The previous prime is 243130169. The next prime is 243130183. The reversal of 243130171 is 171031342.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 243130171 - 21 = 243130169 is a prime.
It is a super-2 number, since 2×2431301712 = 118224560100978482, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (243130871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181590 + ... + 182923.
It is an arithmetic number, because the mean of its divisors is an integer number (32806260).
Almost surely, 2243130171 is an apocalyptic number.
243130171 is a deficient number, since it is larger than the sum of its proper divisors (19319909).
243130171 is a wasteful number, since it uses less digits than its factorization.
243130171 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364565.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 243130171 is about 15592.6319458903. The cubic root of 243130171 is about 624.1365536058.
The spelling of 243130171 in words is "two hundred forty-three million, one hundred thirty thousand, one hundred seventy-one".
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