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808975146 = 2375326857
BaseRepresentation
bin110000001101111…
…111101100101010
32002101020012021110
4300031333230222
53124044201041
6212135051150
726022114060
oct6015775452
92071205243
10808975146
11385711001
121a6b10ab6
13cb7a6125
1479624030
154b04b516
hex3037fb2a

808975146 has 48 divisors (see below), whose sum is σ = 1884907584. Its totient is φ = 226741632.

The previous prime is 808975129. The next prime is 808975151. The reversal of 808975146 is 641579808.

It is a junction number, because it is equal to n+sod(n) for n = 808975095 and 808975104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114550 + ... + 121406.

It is an arithmetic number, because the mean of its divisors is an integer number (39268908).

Almost surely, 2808975146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808975146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942453792).

808975146 is an abundant number, since it is smaller than the sum of its proper divisors (1075932438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808975146 is a wasteful number, since it uses less digits than its factorization.

808975146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6975 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 808975146 is about 28442.4883932472. The cubic root of 808975146 is about 931.7764426929.

The spelling of 808975146 in words is "eight hundred eight million, nine hundred seventy-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 53 106 159 318 371 742 1113 2226 2809 5618 6857 8427 13714 16854 19663 20571 39326 41142 47999 58989 95998 117978 143997 287994 363421 726842 1090263 2180526 2543947 5087894 7631841 15263682 19261313 38522626 57783939 115567878 134829191 269658382 404487573 808975146