30252400 has 60 divisors (see below), whose sum is σ = 74104632. Its totient is φ = 11864320.

The previous prime is 30252379. The next prime is 30252413. The reversal of 30252400 is 425203.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent 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, 20487 + ... + 21913.

Almost surely, 2^30252400 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 30252400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37052316).

30252400 is an abundant number, since it is smaller than the sum of its proper divisors (43852232).

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

30252400 is a wasteful number, since it uses less digits than its factorization.

30252400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30252400 is about 5500.2181774908. The cubic root of 30252400 is about 311.5922242382.

Adding to 30252400 its reverse (425203), we get a palindrome (30677603).

The spelling of 30252400 in words is "thirty million, two hundred fifty-two thousand, four hundred".