Base | Representation |
---|---|
bin | 1111111100111… |
… | …1000010110101 |
3 | 11122220021222201 |
4 | 3333033002311 |
5 | 114112031331 |
6 | 10350024501 |
7 | 1441466023 |
oct | 377170265 |
9 | 148807881 |
10 | 66908341 |
11 | 3484a255 |
12 | 1a4a8131 |
13 | 10b28546 |
14 | 8c59713 |
15 | 5d19a61 |
hex | 3fcf0b5 |
66908341 has 4 divisors (see below), whose sum is σ = 67850784. Its totient is φ = 65965900.
The previous prime is 66908287. The next prime is 66908363. The reversal of 66908341 is 14380966.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 66908341 - 213 = 66900149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 66908341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66908041) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 471115 + ... + 471256.
It is an arithmetic number, because the mean of its divisors is an integer number (16962696).
Almost surely, 266908341 is an apocalyptic number.
It is an amenable number.
66908341 is a deficient number, since it is larger than the sum of its proper divisors (942443).
66908341 is an equidigital number, since it uses as much as digits as its factorization.
66908341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 942442.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 66908341 is about 8179.7518911028. The cubic root of 66908341 is about 405.9695128652.
It can be divided in two parts, 669083 and 41, that added together give a square (669124 = 8182).
The spelling of 66908341 in words is "sixty-six million, nine hundred eight thousand, three hundred forty-one".
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