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872713 = 7911047
BaseRepresentation
bin11010101000100001001
31122100010201
43111010021
5210411323
630412201
710263232
oct3250411
91570121
10872713
11546756
12361061
132472ca
1418a089
151238ad
hexd5109

872713 has 4 divisors (see below), whose sum is σ = 883840. Its totient is φ = 861588.

The previous prime is 872687. The next prime is 872731. The reversal of 872713 is 317278.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 872713 - 217 = 741641 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (879713) 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, 5445 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (220960).

2872713 is an apocalyptic number.

It is an amenable number.

872713 is a deficient number, since it is larger than the sum of its proper divisors (11127).

872713 is a wasteful number, since it uses less digits than its factorization.

872713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126.

The product of its digits is 2352, while the sum is 28.

The square root of 872713 is about 934.1910939417. The cubic root of 872713 is about 95.5631555059.

The spelling of 872713 in words is "eight hundred seventy-two thousand, seven hundred thirteen".

Divisors: 1 79 11047 872713