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872093 = 712173
BaseRepresentation
bin11010100111010011101
31122022021202
43110322131
5210401333
630405245
710261355
oct3247235
91568252
10872093
11546242
12360825
13246c41
14189b65
151235e8
hexd4e9d

872093 has 6 divisors (see below), whose sum is σ = 889662. Its totient is φ = 854840.

The previous prime is 872089. The next prime is 872099. The reversal of 872093 is 390278.

It can be written as a sum of positive squares in only one way, i.e., 851929 + 20164 = 923^2 + 142^2 .

It is not a de Polignac number, because 872093 - 22 = 872089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4955 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (148277).

2872093 is an apocalyptic number.

It is an amenable number.

872093 is a deficient number, since it is larger than the sum of its proper divisors (17569).

872093 is an equidigital number, since it uses as much as digits as its factorization.

872093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 872093 is about 933.8591970956. The cubic root of 872093 is about 95.5405198885.

The spelling of 872093 in words is "eight hundred seventy-two thousand, ninety-three".

Divisors: 1 71 173 5041 12283 872093