Base | Representation |
---|---|
bin | 11100111111111… |
… | …01001100101000 |
3 | 121221201210110012 |
4 | 32133331030220 |
5 | 444233230102 |
6 | 40045511052 |
7 | 6012442304 |
oct | 1637751450 |
9 | 557653405 |
10 | 243258152 |
11 | 1153494a5 |
12 | 69572488 |
13 | 3b521b47 |
14 | 24442d04 |
15 | 16551752 |
hex | e7fd328 |
243258152 has 16 divisors (see below), whose sum is σ = 460812660. Its totient is φ = 120374784.
The previous prime is 243258149. The next prime is 243258157. The reversal of 243258152 is 251852342.
It can be written as a sum of positive squares in 2 ways, for example, as 231465796 + 11792356 = 15214^2 + 3434^2 .
It is not an unprimeable number, because it can be changed into a prime (243258157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155963 + ... + 157514.
Almost surely, 2243258152 is an apocalyptic number.
It is an amenable number.
243258152 is a deficient number, since it is larger than the sum of its proper divisors (217554508).
243258152 is a wasteful number, since it uses less digits than its factorization.
243258152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313580 (or 313576 counting only the distinct ones).
The product of its digits is 19200, while the sum is 32.
The square root of 243258152 is about 15596.7352994144. The cubic root of 243258152 is about 624.2460472274.
The spelling of 243258152 in words is "two hundred forty-three million, two hundred fifty-eight thousand, one hundred fifty-two".
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