Search a number
-
+
5257871 = 17892939
BaseRepresentation
bin10100000011101010001111
3100220010102222
4110003222033
52321222441
6304405555
762456033
oct24035217
910803388
105257871
112a71353
1219168bb
131121288
149ac1c3
156dcd4b
hex503a8f

5257871 has 4 divisors (see below), whose sum is σ = 5262600. Its totient is φ = 5253144.

The previous prime is 5257829. The next prime is 5257877. The reversal of 5257871 is 1787525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5257871 - 26 = 5257807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257877) 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, 320 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (1315650).

Almost surely, 25257871 is an apocalyptic number.

5257871 is a deficient number, since it is larger than the sum of its proper divisors (4729).

5257871 is a wasteful number, since it uses less digits than its factorization.

5257871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728.

The product of its digits is 19600, while the sum is 35.

The square root of 5257871 is about 2293.0047972039. The cubic root of 5257871 is about 173.8881454003. Note that the first 3 decimals are identical.

The spelling of 5257871 in words is "five million, two hundred fifty-seven thousand, eight hundred seventy-one".

Divisors: 1 1789 2939 5257871