Base | Representation |
---|---|
bin | 1111111011001… |
… | …0101110111111 |
3 | 11122200101220222 |
4 | 3332302232333 |
5 | 114044324013 |
6 | 10343331555 |
7 | 1440503660 |
oct | 376625677 |
9 | 148611828 |
10 | 66792383 |
11 | 34780119 |
12 | 1a450bbb |
13 | 10ab7828 |
14 | 8c29367 |
15 | 5ce5508 |
hex | 3fb2bbf |
66792383 has 12 divisors (see below), whose sum is σ = 78883920. Its totient is φ = 55398240.
The previous prime is 66792361. The next prime is 66792413. The reversal of 66792383 is 38329766.
It is not a de Polignac number, because 66792383 - 214 = 66775999 is a prime.
It is a super-2 number, since 2×667923832 = 8922444853637378, which contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66792083) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1763 + ... + 11691.
It is an arithmetic number, because the mean of its divisors is an integer number (6573660).
Almost surely, 266792383 is an apocalyptic number.
66792383 is a deficient number, since it is larger than the sum of its proper divisors (12091537).
66792383 is an equidigital number, since it uses as much as digits as its factorization.
66792383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9998 (or 9967 counting only the distinct ones).
The product of its digits is 326592, while the sum is 44.
The square root of 66792383 is about 8172.6607050581. The cubic root of 66792383 is about 405.7348503724.
The spelling of 66792383 in words is "sixty-six million, seven hundred ninety-two thousand, three hundred eighty-three".
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