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3885161 = 7347241
BaseRepresentation
bin1110110100100001101001
321022101102212
432310201221
51443311121
6215134505
745011000
oct16644151
97271385
103885161
112213a85
121374435
13a60517
14731c37
1551b25b
hex3b4869

3885161 has 16 divisors (see below), whose sum is σ = 4646400. Its totient is φ = 3245760.

The previous prime is 3885149. The next prime is 3885181. The reversal of 3885161 is 1615883.

3885161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3885161 - 218 = 3623017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16001 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (290400).

Almost surely, 23885161 is an apocalyptic number.

It is an amenable number.

3885161 is a deficient number, since it is larger than the sum of its proper divisors (761239).

3885161 is an equidigital number, since it uses as much as digits as its factorization.

3885161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 295 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 3885161 is about 1971.0811753959. The cubic root of 3885161 is about 157.2062012631.

The spelling of 3885161 in words is "three million, eight hundred eighty-five thousand, one hundred sixty-one".

Divisors: 1 7 47 49 241 329 343 1687 2303 11327 11809 16121 79289 82663 555023 3885161