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810143474 = 27116349757
BaseRepresentation
bin110000010010011…
…100111011110010
32002110102112220212
4300102130323302
53124344042344
6212220104122
726035051220
oct6022347362
92073375825
10810143474
11386339868
121a7395042
13cbac4b4a
1479849b10
154b1cc79e
hex3049cef2

810143474 has 16 divisors (see below), whose sum is σ = 1390039488. Its totient is φ = 346898832.

The previous prime is 810143471. The next prime is 810143533. The reversal of 810143474 is 474341018.

810143474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 810143474.

It is not an unprimeable number, because it can be changed into a prime (810143471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8597 + ... + 41160.

It is an arithmetic number, because the mean of its divisors is an integer number (86877468).

Almost surely, 2810143474 is an apocalyptic number.

810143474 is a deficient number, since it is larger than the sum of its proper divisors (579896014).

810143474 is a wasteful number, since it uses less digits than its factorization.

810143474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50929.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 810143474 is about 28463.0194111588. The cubic root of 810143474 is about 932.2247864476.

The spelling of 810143474 in words is "eight hundred ten million, one hundred forty-three thousand, four hundred seventy-four".

Divisors: 1 2 7 14 1163 2326 8141 16282 49757 99514 348299 696598 57867391 115734782 405071737 810143474