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806275438 = 21709235891
BaseRepresentation
bin110000000011101…
…100100101101110
32002012011000222021
4300003230211232
53122401303223
6212001140354
725660141153
oct6003544556
92065130867
10806275438
11384137741
121a602a6ba
13cb06c377
147912022a
154abb665d
hex300ec96e

806275438 has 8 divisors (see below), whose sum is σ = 1210125960. Its totient is φ = 402900120.

The previous prime is 806275433. The next prime is 806275441. The reversal of 806275438 is 834572608.

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

It is a junction number, because it is equal to n+sod(n) for n = 806275394 and 806275403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806275433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114528 + ... + 121363.

It is an arithmetic number, because the mean of its divisors is an integer number (151265745).

Almost surely, 2806275438 is an apocalyptic number.

806275438 is a deficient number, since it is larger than the sum of its proper divisors (403850522).

806275438 is a wasteful number, since it uses less digits than its factorization.

806275438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237602.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 806275438 is about 28394.9896636713. The cubic root of 806275438 is about 930.7387809082.

The spelling of 806275438 in words is "eight hundred six million, two hundred seventy-five thousand, four hundred thirty-eight".

Divisors: 1 2 1709 3418 235891 471782 403137719 806275438