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3871713 = 31290571
BaseRepresentation
bin1110110001001111100001
321021200222210
432301033201
51442343323
6214552333
744623536
oct16611741
97250883
103871713
11220496a
1213686a9
13a57371
1472ad8d
15517293
hex3b13e1

3871713 has 4 divisors (see below), whose sum is σ = 5162288. Its totient is φ = 2581140.

The previous prime is 3871691. The next prime is 3871759. The reversal of 3871713 is 3171783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3871713 - 29 = 3871201 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3871783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645283 + ... + 645288.

It is an arithmetic number, because the mean of its divisors is an integer number (1290572).

Almost surely, 23871713 is an apocalyptic number.

It is an amenable number.

3871713 is a deficient number, since it is larger than the sum of its proper divisors (1290575).

3871713 is a wasteful number, since it uses less digits than its factorization.

3871713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290574.

The product of its digits is 3528, while the sum is 30.

The square root of 3871713 is about 1967.6668925405. Note that the first 3 decimals coincide. The cubic root of 3871713 is about 157.0246083649.

The spelling of 3871713 in words is "three million, eight hundred seventy-one thousand, seven hundred thirteen".

Divisors: 1 3 1290571 3871713