Base | Representation |
---|---|
bin | 11100111111101… |
… | …10011100000111 |
3 | 121221200101110222 |
4 | 32133312130013 |
5 | 444231333341 |
6 | 40045134555 |
7 | 6012265511 |
oct | 1637663407 |
9 | 557611428 |
10 | 243230471 |
11 | 11532a720 |
12 | 6955a45b |
13 | 3b512373 |
14 | 24436bb1 |
15 | 1654844b |
hex | e7f6707 |
243230471 has 8 divisors (see below), whose sum is σ = 265586688. Its totient is φ = 220915000.
The previous prime is 243230467. The next prime is 243230473. The reversal of 243230471 is 174032342.
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 243230471 - 22 = 243230467 is a prime.
It is a super-3 number, since 3×2432304713 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 243230471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243230473) 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, 3056 + ... + 22266.
It is an arithmetic number, because the mean of its divisors is an integer number (33198336).
Almost surely, 2243230471 is an apocalyptic number.
243230471 is a deficient number, since it is larger than the sum of its proper divisors (22356217).
243230471 is a wasteful number, since it uses less digits than its factorization.
243230471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20373.
The product of its (nonzero) digits is 4032, while the sum is 26.
The square root of 243230471 is about 15595.8478769190. The cubic root of 243230471 is about 624.2223681165. Note that the first 3 decimals are identical.
The spelling of 243230471 in words is "two hundred forty-three million, two hundred thirty thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.111 sec. • engine limits •