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806245438 = 2676016757
BaseRepresentation
bin110000000011100…
…101010000111110
32002012002111211011
4300003211100332
53122344323223
6212000345434
725656654535
oct6003452076
92065074734
10806245438
11384117149
121a601527a
13cb05b80b
147911331c
154abac80d
hex300e543e

806245438 has 8 divisors (see below), whose sum is σ = 1227418632. Its totient is φ = 397105896.

The previous prime is 806245421. The next prime is 806245459. The reversal of 806245438 is 834542608.

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

It is a self number, because there is not a number n which added to its sum of digits gives 806245438.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3008245 + ... + 3008512.

It is an arithmetic number, because the mean of its divisors is an integer number (153427329).

Almost surely, 2806245438 is an apocalyptic number.

806245438 is a deficient number, since it is larger than the sum of its proper divisors (421173194).

806245438 is a wasteful number, since it uses less digits than its factorization.

806245438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016826.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 806245438 is about 28394.4613965470. The cubic root of 806245438 is about 930.7272370823.

The spelling of 806245438 in words is "eight hundred six million, two hundred forty-five thousand, four hundred thirty-eight".

Divisors: 1 2 67 134 6016757 12033514 403122719 806245438