Base | Representation |
---|---|
bin | 1111111011111… |
… | …0101100000100 |
3 | 11122202220002111 |
4 | 3332332230010 |
5 | 114102410343 |
6 | 10344350404 |
7 | 1441066510 |
oct | 376765404 |
9 | 148686074 |
10 | 66841348 |
11 | 34803992 |
12 | 1a475404 |
13 | 10b03bc2 |
14 | 8c3d140 |
15 | 5d04c9d |
hex | 3fbeb04 |
66841348 has 24 divisors (see below), whose sum is σ = 141547392. Its totient is φ = 26961024.
The previous prime is 66841339. The next prime is 66841349. The reversal of 66841348 is 84314866.
It is a self number, because there is not a number n which added to its sum of digits gives 66841348.
It is not an unprimeable number, because it can be changed into a prime (66841349) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69736 + ... + 70687.
It is an arithmetic number, because the mean of its divisors is an integer number (5897808).
Almost surely, 266841348 is an apocalyptic number.
66841348 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
66841348 is an abundant number, since it is smaller than the sum of its proper divisors (74706044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66841348 is a wasteful number, since it uses less digits than its factorization.
66841348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140451 (or 140449 counting only the distinct ones).
The product of its digits is 110592, while the sum is 40.
The square root of 66841348 is about 8175.6558146732. The cubic root of 66841348 is about 405.8339732230.
The spelling of 66841348 in words is "sixty-six million, eight hundred forty-one thousand, three hundred forty-eight".
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