Base | Representation |
---|---|
bin | 1111101111001… |
… | …0011011100110 |
3 | 11121012101102220 |
4 | 3323302123212 |
5 | 113344122320 |
6 | 10314413210 |
7 | 1431013362 |
oct | 373623346 |
9 | 147171386 |
10 | 66004710 |
11 | 34292352 |
12 | 1a131206 |
13 | 108a0155 |
14 | 8aa22a2 |
15 | 5bdbe40 |
hex | 3ef26e6 |
66004710 has 96 divisors (see below), whose sum is σ = 176124672. Its totient is φ = 15797760.
The previous prime is 66004709. The next prime is 66004721. The reversal of 66004710 is 1740066.
It is a super-3 number, since 3×660047103 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 199245 + ... + 199575.
It is an arithmetic number, because the mean of its divisors is an integer number (1834632).
Almost surely, 266004710 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 66004710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88062336).
66004710 is an abundant number, since it is smaller than the sum of its proper divisors (110119962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66004710 is a wasteful number, since it uses less digits than its factorization.
66004710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398 (or 381 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 66004710 is about 8124.3282799257. The cubic root of 66004710 is about 404.1336150863.
Adding to 66004710 its reverse (1740066), we get a palindrome (67744776).
The spelling of 66004710 in words is "sixty-six million, four thousand, seven hundred ten".
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