Base | Representation |
---|---|
bin | 11001011001111111001001 |
3 | 110112100212012 |
4 | 121121333021 |
5 | 3201110131 |
6 | 354425305 |
7 | 110416013 |
oct | 31317711 |
9 | 13470765 |
10 | 6660041 |
11 | 3839873 |
12 | 2292235 |
13 | 14c256b |
14 | c551b3 |
15 | 8b852b |
hex | 659fc9 |
6660041 has 16 divisors (see below), whose sum is σ = 7285248. Its totient is φ = 6072000.
The previous prime is 6660029. The next prime is 6660061. The reversal of 6660041 is 1400666.
It is not a de Polignac number, because 6660041 - 26 = 6659977 is a prime.
It is a super-2 number, since 2×66600412 = 88712292243362, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6659989 and 6660016.
It is not an unprimeable number, because it can be changed into a prime (6660011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65891 + ... + 65991.
It is an arithmetic number, because the mean of its divisors is an integer number (455328).
Almost surely, 26660041 is an apocalyptic number.
6660041 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
It is an amenable number.
6660041 is a deficient number, since it is larger than the sum of its proper divisors (625207).
6660041 is a wasteful number, since it uses less digits than its factorization.
6660041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 6660041 is about 2580.7055236892. The cubic root of 6660041 is about 188.1448351988.
The spelling of 6660041 in words is "six million, six hundred sixty thousand, forty-one".
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