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243422 = 2121711
BaseRepresentation
bin111011011011011110
3110100220122
4323123132
530242142
65114542
72032454
oct733336
9410818
10243422
11156983
12b8a52
1386a4a
14649d4
154c1d2
hex3b6de

243422 has 4 divisors (see below), whose sum is σ = 365136. Its totient is φ = 121710.

The previous prime is 243421. The next prime is 243431. The reversal of 243422 is 224342.

243422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 243422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421) by changing a digit.

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 as a sum of consecutive naturals, namely, 60854 + ... + 60857.

It is an arithmetic number, because the mean of its divisors is an integer number (91284).

2243422 is an apocalyptic number.

243422 is a deficient number, since it is larger than the sum of its proper divisors (121714).

243422 is a wasteful number, since it uses less digits than its factorization.

243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121713.

The product of its digits is 384, while the sum is 17.

The square root of 243422 is about 493.3781511174. The cubic root of 243422 is about 62.4386170672.

Adding to 243422 its reverse (224342), we get a palindrome (467764).

It can be divided in two parts, 24342 and 2, that multiplied together give a palindrome (48684).

The spelling of 243422 in words is "two hundred forty-three thousand, four hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 121711 243422