247895030 has 8 divisors (see below), whose sum is σ = 446211072. Its totient is φ = 99158008.

The previous prime is 247894981. The next prime is 247895083. The reversal of 247895030 is 30598742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×247895030² = 122903891797401800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12394742 + ... + 12394761.

It is an arithmetic number, because the mean of its divisors is an integer number (55776384).

Almost surely, 2^247895030 is an apocalyptic number.

247895030 is a deficient number, since it is larger than the sum of its proper divisors (198316042).

247895030 is a wasteful number, since it uses less digits than its factorization.

247895030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24789510.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 247895030 is about 15744.6825944507. The cubic root of 247895030 is about 628.1874753003.

The spelling of 247895030 in words is "two hundred forty-seven million, eight hundred ninety-five thousand, thirty".