247049 has 8 divisors (see below), whose sum is σ = 277248. Its totient is φ = 218160.
The previous prime is 247031. The next prime is 247067. The reversal of 247049 is 940742.
It is an interprime number because it is at equal distance from previous prime (247031) and next prime (247067).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 247049 - 28 = 246793 is a prime.
It is a super-2 number, since 2×2470492 = 122066416802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (247069) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 710.
It is an arithmetic number, because the mean of its divisors is an integer number (34656).
247049 is a Friedman number, since it can be written as 497^2+40, using all its digits and the basic arithmetic operations.
2247049 is an apocalyptic number.
It is an amenable number.
247049 is a deficient number, since it is larger than the sum of its proper divisors (30199).
247049 is a wasteful number, since it uses less digits than its factorization.
247049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 655.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 247049 is about 497.0402398197. The cubic root of 247049 is about 62.7472023006.
The spelling of 247049 in words is "two hundred forty-seven thousand, forty-nine".
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