30150420 has 24 divisors (see below), whose sum is σ = 84421344. Its totient is φ = 8040096.

The previous prime is 30150391. The next prime is 30150431. The reversal of 30150420 is 2405103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30150420.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 251194 + ... + 251313.

It is an arithmetic number, because the mean of its divisors is an integer number (3517556).

Almost surely, 2^30150420 is an apocalyptic number.

30150420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30150420 is an abundant number, since it is smaller than the sum of its proper divisors (54270924).

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

30150420 is a wasteful number, since it uses less digits than its factorization.

30150420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502519 (or 502517 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30150420 is about 5490.9398102693. The cubic root of 30150420 is about 311.2417071709.

Adding to 30150420 its reverse (2405103), we get a palindrome (32555523).

It can be divided in two parts, 301 and 50420, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 30150420 in words is "thirty million, one hundred fifty thousand, four hundred twenty".