30352128 has 36 divisors (see below), whose sum is σ = 80782968. Its totient is φ = 10117120.

The previous prime is 30352121. The next prime is 30352141. The reversal of 30352128 is 82125303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30352098 and 30352107.

It is not an unprimeable number, because it can be changed into a prime (30352121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18993 + ... + 20528.

Almost surely, 2^30352128 is an apocalyptic number.

It is an amenable number.

30352128 is an abundant number, since it is smaller than the sum of its proper divisors (50430840).

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

30352128 is an equidigital number, since it uses as much as digits as its factorization.

30352128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39540 (or 39526 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30352128 is about 5509.2765405269. The cubic root of 30352128 is about 311.9342399212.

The spelling of 30352128 in words is "thirty million, three hundred fifty-two thousand, one hundred twenty-eight".