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805828197 = 310113991901
BaseRepresentation
bin110000000001111…
…111011001100101
32002011022022110210
4300001333121211
53122243000242
6211543410033
725653266226
oct6001773145
92064268423
10805828197
11383961719
121a5a53919
13cac43925
147904524d
154ab28d9c
hex3007f665

805828197 has 16 divisors (see below), whose sum is σ = 1086422400. Its totient is φ = 531240000.

The previous prime is 805828193. The next prime is 805828259. The reversal of 805828197 is 791828508.

805828197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805828197 - 22 = 805828193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805828193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422947 + ... + 424847.

It is an arithmetic number, because the mean of its divisors is an integer number (67901400).

Almost surely, 2805828197 is an apocalyptic number.

It is an amenable number.

805828197 is a deficient number, since it is larger than the sum of its proper divisors (280594203).

805828197 is a wasteful number, since it uses less digits than its factorization.

805828197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 805828197 is about 28387.1132206147. The cubic root of 805828197 is about 930.5666554721.

The spelling of 805828197 in words is "eight hundred five million, eight hundred twenty-eight thousand, one hundred ninety-seven".

Divisors: 1 3 101 303 1399 1901 4197 5703 141299 192001 423897 576003 2659499 7978497 268609399 805828197