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196829 = 1491321
BaseRepresentation
bin110000000011011101
3100222222222
4300003131
522244304
64115125
71446563
oct600335
9328888
10196829
11124976
1295aa5
136b789
1451a33
153d4be
hex300dd

196829 has 4 divisors (see below), whose sum is σ = 198300. Its totient is φ = 195360.

The previous prime is 196817. The next prime is 196831. The reversal of 196829 is 928691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 928691 = 4122651.

It can be written as a sum of positive squares in 2 ways, for example, as 105625 + 91204 = 325^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 196829 - 216 = 131293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (49575).

196829 is a Friedman number, since it can be written as (9-6)^9*(8+2)-1, using all its digits and the basic arithmetic operations.

2196829 is an apocalyptic number.

It is an amenable number.

196829 is a deficient number, since it is larger than the sum of its proper divisors (1471).

196829 is a wasteful number, since it uses less digits than its factorization.

196829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

The product of its digits is 7776, while the sum is 35.

The square root of 196829 is about 443.6541445766. The cubic root of 196829 is about 58.1696381197.

It can be divided in two parts, 19682 and 9, that added together give a palindrome (19691).

The spelling of 196829 in words is "one hundred ninety-six thousand, eight hundred twenty-nine".

Divisors: 1 149 1321 196829