247103380 has 12 divisors (see below), whose sum is σ = 518917140. Its totient is φ = 98841344.

The previous prime is 247103377. The next prime is 247103407. The reversal of 247103380 is 83301742.

247103380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189282564 + 57820816 = 13758^2 + 7604^2 .

It is a super-2 number, since 2×247103380² = 122120160814848800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6177565 + ... + 6177604.

It is an arithmetic number, because the mean of its divisors is an integer number (43243095).

Almost surely, 2^247103380 is an apocalyptic number.

247103380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247103380 is an abundant number, since it is smaller than the sum of its proper divisors (271813760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247103380 is a wasteful number, since it uses less digits than its factorization.

247103380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355178 (or 12355176 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 247103380 is about 15719.5222573716. The cubic root of 247103380 is about 627.5180589820.

The spelling of 247103380 in words is "two hundred forty-seven million, one hundred three thousand, three hundred eighty".