Base | Representation |
---|---|
bin | 1111001111010110100001 |
3 | 21111222011111 |
4 | 33033112201 |
5 | 2010320131 |
6 | 221343321 |
7 | 45646231 |
oct | 17172641 |
9 | 7458144 |
10 | 3995041 |
11 | 2289596 |
12 | 1407b41 |
13 | a9b53b |
14 | 75dcc1 |
15 | 53dab1 |
hex | 3cf5a1 |
3995041 has 4 divisors (see below), whose sum is σ = 4002372. Its totient is φ = 3987712.
The previous prime is 3995029. The next prime is 3995083. The reversal of 3995041 is 1405993.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1405993 = 383 ⋅3671.
It can be written as a sum of positive squares in 2 ways, for example, as 2250000 + 1745041 = 1500^2 + 1321^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3995041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3994994 and 3995012.
It is not an unprimeable number, because it can be changed into a prime (3995021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776 + ... + 3961.
It is an arithmetic number, because the mean of its divisors is an integer number (1000593).
Almost surely, 23995041 is an apocalyptic number.
It is an amenable number.
3995041 is a deficient number, since it is larger than the sum of its proper divisors (7331).
3995041 is an equidigital number, since it uses as much as digits as its factorization.
3995041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7330.
The product of its (nonzero) digits is 4860, while the sum is 31.
The square root of 3995041 is about 1998.7598655166. The cubic root of 3995041 is about 158.6744787207.
The spelling of 3995041 in words is "three million, nine hundred ninety-five thousand, forty-one".
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