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3874285 = 5774857
BaseRepresentation
bin1110110001110111101101
321021211112001
432301313231
51442434120
6215012301
744634202
oct16616755
97254461
103874285
112206898
12136a091
13a5859c
1472bca9
15517e0a
hex3b1ded

3874285 has 4 divisors (see below), whose sum is σ = 4649148. Its totient is φ = 3099424.

The previous prime is 3874279. The next prime is 3874319. The reversal of 3874285 is 5824783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5824783 = 8965447.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 2019241 = 1362^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 3874285 - 211 = 3872237 is a prime.

It is a super-2 number, since 2×38742852 = 30020168522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387424 + ... + 387433.

It is an arithmetic number, because the mean of its divisors is an integer number (1162287).

Almost surely, 23874285 is an apocalyptic number.

It is an amenable number.

3874285 is a deficient number, since it is larger than the sum of its proper divisors (774863).

3874285 is an equidigital number, since it uses as much as digits as its factorization.

3874285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774862.

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

The square root of 3874285 is about 1968.3203499431. The cubic root of 3874285 is about 157.0593714354.

The spelling of 3874285 in words is "three million, eight hundred seventy-four thousand, two hundred eighty-five".

Divisors: 1 5 774857 3874285