247485230 has 16 divisors (see below), whose sum is σ = 457513920. Its totient is φ = 96318432.

The previous prime is 247485211. The next prime is 247485233. The reversal of 247485230 is 32584742.

It is a super-2 number, since 2×247485230² = 122497878136305800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247485233) 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 in 7 ways as a sum of consecutive naturals, for example, 334070 + ... + 334809.

It is an arithmetic number, because the mean of its divisors is an integer number (28594620).

Almost surely, 2^247485230 is an apocalyptic number.

247485230 is a deficient number, since it is larger than the sum of its proper divisors (210028690).

247485230 is a wasteful number, since it uses less digits than its factorization.

247485230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668923.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 247485230 is about 15731.6632941339. The cubic root of 247485230 is about 627.8411281487.

The spelling of 247485230 in words is "two hundred forty-seven million, four hundred eighty-five thousand, two hundred thirty".