242704 has 40 divisors (see below), whose sum is σ = 589248. Its totient is φ = 94080.
The previous prime is 242689. The next prime is 242713. The reversal of 242704 is 407242.
242704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134 + ... + 1330.
2242704 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 242704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294624).
242704 is an abundant number, since it is smaller than the sum of its proper divisors (346544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242704 is a wasteful number, since it uses less digits than its factorization.
242704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223 (or 217 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 19.
The square root of 242704 is about 492.6499771643. The cubic root of 242704 is about 62.3771667500.
Adding to 242704 its reverse (407242), we get a palindrome (649946).
It can be divided in two parts, 242 and 704, that added together give a triangular number (946 = T43).
The spelling of 242704 in words is "two hundred forty-two thousand, seven hundred four", and thus it is an iban number.
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