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868903 = 71011229
BaseRepresentation
bin11010100001000100111
31122010220121
43110020213
5210301103
630342411
710246150
oct3241047
91563817
10868903
11543902
1235aa07
13245659
14188927
151226bd
hexd4227

868903 has 8 divisors (see below), whose sum is σ = 1003680. Its totient is φ = 736800.

The previous prime is 868891. The next prime is 868909. The reversal of 868903 is 309868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-868903 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (125460).

2868903 is an apocalyptic number.

868903 is a deficient number, since it is larger than the sum of its proper divisors (134777).

868903 is a wasteful number, since it uses less digits than its factorization.

868903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 868903 is about 932.1496660945. The cubic root of 868903 is about 95.4238860650.

It can be divided in two parts, 868 and 903, that added together give a palindrome (1771).

The spelling of 868903 in words is "eight hundred sixty-eight thousand, nine hundred three".

Divisors: 1 7 101 707 1229 8603 124129 868903