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3878433 = 321333149
BaseRepresentation
bin1110110010111000100001
321022001012200
432302320201
51443102213
6215043413
744652246
oct16627041
97261180
103878433
112209a19
121370569
13a5a440
1472d5cd
15519273
hex3b2e21

3878433 has 12 divisors (see below), whose sum is σ = 6033300. Its totient is φ = 2386656.

The previous prime is 3878423. The next prime is 3878447. The reversal of 3878433 is 3348783.

3878433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 1292769 = 1608^2 + 1137^2 .

It is not a de Polignac number, because 3878433 - 25 = 3878401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3878423) 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 11 ways as a sum of consecutive naturals, for example, 16458 + ... + 16691.

It is an arithmetic number, because the mean of its divisors is an integer number (502775).

Almost surely, 23878433 is an apocalyptic number.

It is an amenable number.

3878433 is a deficient number, since it is larger than the sum of its proper divisors (2154867).

3878433 is a wasteful number, since it uses less digits than its factorization.

3878433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33168 (or 33165 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3878433 is about 1969.3737583303. The cubic root of 3878433 is about 157.1154032716.

The spelling of 3878433 in words is "three million, eight hundred seventy-eight thousand, four hundred thirty-three".

Divisors: 1 3 9 13 39 117 33149 99447 298341 430937 1292811 3878433