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243196 = 22163373
BaseRepresentation
bin111011010111111100
3110100121021
4323113330
530240241
65113524
72032012
oct732774
9410537
10243196
11156798
12b88a4
1386905
14648b2
154c0d1
hex3b5fc

243196 has 12 divisors (see below), whose sum is σ = 429352. Its totient is φ = 120528.

The previous prime is 243167. The next prime is 243197. The reversal of 243196 is 691342.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 243196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243197) by changing a digit.

243196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466 + ... + 838.

2243196 is an apocalyptic number.

It is an amenable number.

243196 is a deficient number, since it is larger than the sum of its proper divisors (186156).

243196 is a wasteful number, since it uses less digits than its factorization.

243196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 243196 is about 493.1490646853. The cubic root of 243196 is about 62.4192878136.

The spelling of 243196 in words is "two hundred forty-three thousand, one hundred ninety-six".

Divisors: 1 2 4 163 326 373 652 746 1492 60799 121598 243196