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806492275 = 52199162109
BaseRepresentation
bin110000000100100…
…001100001110011
32002012120001102021
4300010201201303
53122430223100
6212005532311
725662033301
oct6004414163
92065501367
10806492275
11384275646
121a6114097
13cb116c84
1479179271
154ac0aa1a
hex30121873

806492275 has 12 divisors (see below), whose sum is σ = 1005082000. Its totient is φ = 641947680.

The previous prime is 806492273. The next prime is 806492321. The reversal of 806492275 is 572294608.

It is not a de Polignac number, because 806492275 - 21 = 806492273 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (806492273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76080 + ... + 86029.

Almost surely, 2806492275 is an apocalyptic number.

806492275 is a deficient number, since it is larger than the sum of its proper divisors (198589725).

806492275 is a wasteful number, since it uses less digits than its factorization.

806492275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162318 (or 162313 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 806492275 is about 28398.8076334201. The cubic root of 806492275 is about 930.8222100136.

The spelling of 806492275 in words is "eight hundred six million, four hundred ninety-two thousand, two hundred seventy-five".

Divisors: 1 5 25 199 995 4975 162109 810545 4052725 32259691 161298455 806492275