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809146234 = 213414331753
BaseRepresentation
bin110000001110101…
…001011101111010
32002101112212222001
4300032221131322
53124120134414
6212142451214
726023425631
oct6016513572
92071485861
10809146234
113858185a6
121a6b93b0a
13cb835c70
147966a518
154b082074
hex303a977a

809146234 has 32 divisors (see below), whose sum is σ = 1342820304. Its totient is φ = 363294720.

The previous prime is 809146223. The next prime is 809146241. The reversal of 809146234 is 432641908.

It can be written as a sum of positive squares in 8 ways, for example, as 39250225 + 769896009 = 6265^2 + 27747^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 809146193 and 809146202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460702 + ... + 462454.

Almost surely, 2809146234 is an apocalyptic number.

809146234 is a deficient number, since it is larger than the sum of its proper divisors (533674070).

809146234 is a wasteful number, since it uses less digits than its factorization.

809146234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 809146234 is about 28445.4958473218. The cubic root of 809146234 is about 931.8421243693.

The spelling of 809146234 in words is "eight hundred nine million, one hundred forty-six thousand, two hundred thirty-four".

Divisors: 1 2 13 26 41 82 433 533 866 1066 1753 3506 5629 11258 17753 22789 35506 45578 71873 143746 230789 461578 759049 934349 1518098 1868698 9867637 19735274 31121009 62242018 404573117 809146234