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872663 = 1179333
BaseRepresentation
bin11010101000011010111
31122100001212
43111003113
5210411123
630412035
710263131
oct3250327
91570055
10872663
11546710
1236101b
1324728c
1418a051
15123878
hexd50d7

872663 has 4 divisors (see below), whose sum is σ = 952008. Its totient is φ = 793320.

The previous prime is 872659. The next prime is 872671. The reversal of 872663 is 366278.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 872663 - 22 = 872659 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 (872623) 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, 39656 + ... + 39677.

It is an arithmetic number, because the mean of its divisors is an integer number (238002).

2872663 is an apocalyptic number.

872663 is a deficient number, since it is larger than the sum of its proper divisors (79345).

872663 is a wasteful number, since it uses less digits than its factorization.

872663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79344.

The product of its digits is 12096, while the sum is 32.

The square root of 872663 is about 934.1643324384. The cubic root of 872663 is about 95.5613304504.

The spelling of 872663 in words is "eight hundred seventy-two thousand, six hundred sixty-three".

Divisors: 1 11 79333 872663