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3946105 = 5789221
BaseRepresentation
bin1111000011011001111001
321102111001001
433003121321
52002233410
6220325001
745353452
oct17033171
97374031
103946105
112255849
1213a3761
13a82197
1474a129
1552e33a
hex3c3679

3946105 has 4 divisors (see below), whose sum is σ = 4735332. Its totient is φ = 3156880.

The previous prime is 3946051. The next prime is 3946123. The reversal of 3946105 is 5016493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5016493 = 8535881.

It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 1032256 = 1707^2 + 1016^2 .

It is a de Polignac number, because none of the positive numbers 2k-3946105 is a prime.

It is a Duffinian number.

3946105 is a lucky number.

It is an unprimeable number.

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, 394606 + ... + 394615.

It is an arithmetic number, because the mean of its divisors is an integer number (1183833).

Almost surely, 23946105 is an apocalyptic number.

It is an amenable number.

3946105 is a deficient number, since it is larger than the sum of its proper divisors (789227).

3946105 is an equidigital number, since it uses as much as digits as its factorization.

3946105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789226.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3946105 is about 1986.4805561596. The cubic root of 3946105 is about 158.0239375151.

The spelling of 3946105 in words is "three million, nine hundred forty-six thousand, one hundred five".

Divisors: 1 5 789221 3946105