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3874249 = 17349653
BaseRepresentation
bin1110110001110111001001
321021211110201
432301313021
51442433444
6215012201
744634121
oct16616711
97254421
103874249
112206865
12136a061
13a58572
1472bc81
15517dd4
hex3b1dc9

3874249 has 8 divisors (see below), whose sum is σ = 4120200. Its totient is φ = 3630336.

The previous prime is 3874243. The next prime is 3874279. The reversal of 3874249 is 9424783.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 960400 + 2913849 = 980^2 + 1707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3874249 - 211 = 3872201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3874243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5607 + ... + 6259.

It is an arithmetic number, because the mean of its divisors is an integer number (515025).

Almost surely, 23874249 is an apocalyptic number.

It is an amenable number.

3874249 is a deficient number, since it is larger than the sum of its proper divisors (245951).

3874249 is a wasteful number, since it uses less digits than its factorization.

3874249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 48384, while the sum is 37.

The square root of 3874249 is about 1968.3112050690. The cubic root of 3874249 is about 157.0588849667.

The spelling of 3874249 in words is "three million, eight hundred seventy-four thousand, two hundred forty-nine".

Divisors: 1 17 349 653 5933 11101 227897 3874249