210300000 has 144 divisors (see below), whose sum is σ = 690987024. Its totient is φ = 56000000.

The previous prime is 210299993. The next prime is 210300007. The reversal of 210300000 is 3012.

210300000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210299993) and next prime (210300007).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299650 + ... + 300350.

It is an arithmetic number, because the mean of its divisors is an integer number (4798521).

Almost surely, 2^210300000 is an apocalyptic number.

210300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345493512).

210300000 is an abundant number, since it is smaller than the sum of its proper divisors (480687024).

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

210300000 is an frugal number, since it uses more digits than its factorization.

210300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 210300000 is about 14501.7240354380. The cubic root of 210300000 is about 594.6751045029.

Adding to 210300000 its reverse (3012), we get a palindrome (210303012).

The spelling of 210300000 in words is "two hundred ten million, three hundred thousand".