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3875284 = 227138403
BaseRepresentation
bin1110110010000111010100
321021212220001
432302013110
51443002114
6215021044
744640130
oct16620724
97255801
103875284
112207616
12136a784
13a58b8a
1472c3c0
15518374
hex3b21d4

3875284 has 12 divisors (see below), whose sum is σ = 7750624. Its totient is φ = 1660824.

The previous prime is 3875281. The next prime is 3875309. The reversal of 3875284 is 4825783.

3875284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3875284 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875281) 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 3 ways as a sum of consecutive naturals, for example, 69174 + ... + 69229.

Almost surely, 23875284 is an apocalyptic number.

It is an amenable number.

3875284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3875284 is a wasteful number, since it uses less digits than its factorization.

3875284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138414 (or 138412 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 3875284 is about 1968.5741032534. The cubic root of 3875284 is about 157.0728697392.

It can be divided in two parts, 387 and 5284, that added together give a triangular number (5671 = T106).

The spelling of 3875284 in words is "three million, eight hundred seventy-five thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 138403 276806 553612 968821 1937642 3875284