Base | Representation |
---|---|
bin | 1111101010111… |
… | …1011010110110 |
3 | 11120200102220222 |
4 | 3322233122312 |
5 | 113311331410 |
6 | 10304454342 |
7 | 1425461216 |
oct | 372573266 |
9 | 146612828 |
10 | 65730230 |
11 | 34115105 |
12 | 1a01a3b2 |
13 | 10805237 |
14 | 8a30246 |
15 | 5b85955 |
hex | 3eaf6b6 |
65730230 has 32 divisors (see below), whose sum is σ = 124996608. Its totient is φ = 24847200.
The previous prime is 65730221. The next prime is 65730233. The reversal of 65730230 is 3203756.
It is a self number, because there is not a number n which added to its sum of digits gives 65730230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65730233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10865 + ... + 15795.
It is an arithmetic number, because the mean of its divisors is an integer number (3906144).
Almost surely, 265730230 is an apocalyptic number.
65730230 is a deficient number, since it is larger than the sum of its proper divisors (59266378).
65730230 is a wasteful number, since it uses less digits than its factorization.
65730230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5012.
The product of its (nonzero) digits is 3780, while the sum is 26.
The square root of 65730230 is about 8107.4182080364. The cubic root of 65730230 is about 403.5726414159.
Adding to 65730230 its reverse (3203756), we get a palindrome (68933986).
The spelling of 65730230 in words is "sixty-five million, seven hundred thirty thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •