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243354 = 2340559
BaseRepresentation
bin111011011010011010
3110100211010
4323122122
530241404
65114350
72032326
oct733232
9410733
10243354
11156921
12b89b6
13869c7
1464986
154c189
hex3b69a

243354 has 8 divisors (see below), whose sum is σ = 486720. Its totient is φ = 81116.

The previous prime is 243343. The next prime is 243367. The reversal of 243354 is 453342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

243354 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 243354.

It is an unprimeable number.

243354 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20274 + ... + 20285.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2243354 is an apocalyptic number.

243354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243354 is a wasteful number, since it uses less digits than its factorization.

243354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40564.

The product of its digits is 1440, while the sum is 21.

The square root of 243354 is about 493.3092336456. The cubic root of 243354 is about 62.4328024444.

Adding to 243354 its reverse (453342), we get a palindrome (696696).

The spelling of 243354 in words is "two hundred forty-three thousand, three hundred fifty-four".

Divisors: 1 2 3 6 40559 81118 121677 243354