30243450 has 24 divisors (see below), whose sum is σ = 75004128. Its totient is φ = 8064880.

The previous prime is 30243449. The next prime is 30243461. The reversal of 30243450 is 5434203.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100662 + ... + 100961.

It is an arithmetic number, because the mean of its divisors is an integer number (3125172).

Almost surely, 2^30243450 is an apocalyptic number.

30243450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30243450 is an abundant number, since it is smaller than the sum of its proper divisors (44760678).

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

30243450 is a wasteful number, since it uses less digits than its factorization.

30243450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201638 (or 201633 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30243450 is about 5499.4045132178. The cubic root of 30243450 is about 311.5614936133.

Adding to 30243450 its reverse (5434203), we get a palindrome (35677653).

The spelling of 30243450 in words is "thirty million, two hundred forty-three thousand, four hundred fifty".