30010000 has 50 divisors (see below), whose sum is σ = 72681422. Its totient is φ = 12000000.

The previous prime is 30009979. The next prime is 30010021. The reversal of 30010000 is 1003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30009979) and next prime (30010021).

It can be written as a sum of positive squares in 5 ways, for example, as 11209104 + 18800896 = 3348^2 + 4336^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8500 + ... + 11500.

Almost surely, 2^30010000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36340711).

30010000 is an abundant number, since it is smaller than the sum of its proper divisors (42671422).

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

30010000 is an equidigital number, since it uses as much as digits as its factorization.

30010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 30010000 is about 5478.1383699209. The cubic root of 30010000 is about 310.7577715656.

Adding to 30010000 its reverse (1003), we get a palindrome (30011003).

The spelling of 30010000 in words is "thirty million, ten thousand".