Base | Representation |
---|---|
bin | 1111110010101… |
… | …0001100101010 |
3 | 11121121222202220 |
4 | 3330222030222 |
5 | 113423430010 |
6 | 10323334510 |
7 | 1432654335 |
oct | 374521452 |
9 | 147558686 |
10 | 66233130 |
11 | 34428a27 |
12 | 1a221436 |
13 | 10950102 |
14 | 8b2161c |
15 | 5c34970 |
hex | 3f2a32a |
66233130 has 32 divisors (see below), whose sum is σ = 160023168. Its totient is φ = 17544000.
The previous prime is 66233117. The next prime is 66233159. The reversal of 66233130 is 3133266.
It is a self number, because there is not a number n which added to its sum of digits gives 66233130.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2781 + ... + 11840.
It is an arithmetic number, because the mean of its divisors is an integer number (5000724).
Almost surely, 266233130 is an apocalyptic number.
66233130 is an abundant number, since it is smaller than the sum of its proper divisors (93790038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66233130 is a wasteful number, since it uses less digits than its factorization.
66233130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14782.
The product of its (nonzero) digits is 1944, while the sum is 24.
The square root of 66233130 is about 8138.3739162071. The cubic root of 66233130 is about 404.5992683077.
Adding to 66233130 its reverse (3133266), we get a palindrome (69366396).
The spelling of 66233130 in words is "sixty-six million, two hundred thirty-three thousand, one hundred thirty".
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