248740 has 12 divisors (see below), whose sum is σ = 522396. Its totient is φ = 99488.
The previous prime is 248737. The next prime is 248749. The reversal of 248740 is 47842.
It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 207936 = 202^2 + 456^2 .
It is a nialpdrome in base 12.
It is a zygodrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6199 + ... + 6238.
It is an arithmetic number, because the mean of its divisors is an integer number (43533).
2248740 is an apocalyptic number.
248740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248740 is an abundant number, since it is smaller than the sum of its proper divisors (273656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248740 is a wasteful number, since it uses less digits than its factorization.
248740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12446 (or 12444 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 248740 is about 498.7384083866. The cubic root of 248740 is about 62.8900408270.
The spelling of 248740 in words is "two hundred forty-eight thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •