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868293 = 3332159
BaseRepresentation
bin11010011111111000101
31122010002000
43103333011
5210241133
630335513
710244316
oct3237705
91563060
10868293
115433a8
1235a599
132452aa
1418860d
15122413
hexd3fc5

868293 has 8 divisors (see below), whose sum is σ = 1286400. Its totient is φ = 578844.

The previous prime is 868291. The next prime is 868313. The reversal of 868293 is 392868.

It is not a de Polignac number, because 868293 - 21 = 868291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16053 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (160800).

2868293 is an apocalyptic number.

It is an amenable number.

868293 is a deficient number, since it is larger than the sum of its proper divisors (418107).

868293 is a wasteful number, since it uses less digits than its factorization.

868293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32168 (or 32162 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 868293 is about 931.8224079727. The cubic root of 868293 is about 95.4015505464.

The spelling of 868293 in words is "eight hundred sixty-eight thousand, two hundred ninety-three".

Divisors: 1 3 9 27 32159 96477 289431 868293