248678 has 4 divisors (see below), whose sum is σ = 373020. Its totient is φ = 124338.
The previous prime is 248657. The next prime is 248683. The reversal of 248678 is 876842.
248678 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 an Ulam number.
It is a plaindrome in base 14.
It is a congruent number.
It is an unprimeable number.
248678 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 as a sum of consecutive naturals, namely, 62168 + ... + 62171.
It is an arithmetic number, because the mean of its divisors is an integer number (93255).
2248678 is an apocalyptic number.
248678 is a deficient number, since it is larger than the sum of its proper divisors (124342).
248678 is a wasteful number, since it uses less digits than its factorization.
248678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124341.
The product of its digits is 21504, while the sum is 35.
The square root of 248678 is about 498.6762476798. The cubic root of 248678 is about 62.8848151475.
The spelling of 248678 in words is "two hundred forty-eight thousand, six hundred seventy-eight".
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