30204450 has 36 divisors (see below), whose sum is σ = 81150498. Its totient is φ = 8054400.

The previous prime is 30204443. The next prime is 30204463. The reversal of 30204450 is 5440203.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22268961 + 7935489 = 4719^2 + 2817^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 33111 + ... + 34010.

Almost surely, 2^30204450 is an apocalyptic number.

30204450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30204450 is an abundant number, since it is smaller than the sum of its proper divisors (50946048).

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

30204450 is a wasteful number, since it uses less digits than its factorization.

30204450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67139 (or 67131 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30204450 is about 5495.8575309045. The cubic root of 30204450 is about 311.4275128120.

Adding to 30204450 its reverse (5440203), we get a palindrome (35644653).

It can be divided in two parts, 30 and 204450, that added together give a triangular number (204480 = T₆₃₉).

The spelling of 30204450 in words is "thirty million, two hundred four thousand, four hundred fifty".