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806203439 = 2276075851
BaseRepresentation
bin110000000011011…
…011000000101111
32002012000101012122
4300003123000233
53122342002224
6211555423155
725656421226
oct6003330057
92065011178
10806203439
11384098638
121a5bb4abb
13cb045672
1479101cbd
154aba015e
hex300db02f

806203439 has 8 divisors (see below), whose sum is σ = 811227648. Its totient is φ = 801192600.

The previous prime is 806203423. The next prime is 806203457. The reversal of 806203439 is 934302608.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 806203439 - 24 = 806203423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806203399 and 806203408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806203499) 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, 134864 + ... + 140714.

It is an arithmetic number, because the mean of its divisors is an integer number (101403456).

Almost surely, 2806203439 is an apocalyptic number.

806203439 is a deficient number, since it is larger than the sum of its proper divisors (5024209).

806203439 is a wasteful number, since it uses less digits than its factorization.

806203439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 806203439 is about 28393.7218236708. The cubic root of 806203439 is about 930.7110756299.

The spelling of 806203439 in words is "eight hundred six million, two hundred three thousand, four hundred thirty-nine".

Divisors: 1 227 607 5851 137789 1328177 3551557 806203439