Base | Representation |
---|---|
bin | 1010001100010… |
… | …1000100010110 |
3 | 2222102221021212 |
4 | 2203011010112 |
5 | 41421001410 |
6 | 4124141422 |
7 | 1026241145 |
oct | 243050426 |
9 | 88387255 |
10 | 42750230 |
11 | 22149976 |
12 | 12397872 |
13 | 8b1a5c3 |
14 | 596b75c |
15 | 3b46b05 |
hex | 28c5116 |
42750230 has 8 divisors (see below), whose sum is σ = 76950432. Its totient is φ = 17100088.
The previous prime is 42750181. The next prime is 42750233. The reversal of 42750230 is 3205724.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 42750196 and 42750205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42750233) 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, 2137502 + ... + 2137521.
It is an arithmetic number, because the mean of its divisors is an integer number (9618804).
Almost surely, 242750230 is an apocalyptic number.
42750230 is a deficient number, since it is larger than the sum of its proper divisors (34200202).
42750230 is a wasteful number, since it uses less digits than its factorization.
42750230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4275030.
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 42750230 is about 6538.3660038270. The cubic root of 42750230 is about 349.6601599276.
Adding to 42750230 its reverse (3205724), we get a palindrome (45955954).
The spelling of 42750230 in words is "forty-two million, seven hundred fifty thousand, two hundred thirty".
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