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813134 = 272412
BaseRepresentation
bin11000110100001001110
31112022102002
43012201032
5202010014
625232302
76624440
oct3064116
91468362
10813134
11505a13
12332692
1322615a
14172490
15110dde
hexc684e

813134 has 12 divisors (see below), whose sum is σ = 1399752. Its totient is φ = 347040.

The previous prime is 813133. The next prime is 813157. The reversal of 813134 is 431318.

It is a happy number.

It is a super-2 number, since 2×8131342 = 1322373803912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3254 + ... + 3494.

It is an arithmetic number, because the mean of its divisors is an integer number (116646).

2813134 is an apocalyptic number.

813134 is a deficient number, since it is larger than the sum of its proper divisors (586618).

813134 is an equidigital number, since it uses as much as digits as its factorization.

813134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 250 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 813134 is about 901.7394302125. The cubic root of 813134 is about 93.3370435033.

The spelling of 813134 in words is "eight hundred thirteen thousand, one hundred thirty-four".

Divisors: 1 2 7 14 241 482 1687 3374 58081 116162 406567 813134