30243000 has 128 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 7577600.

The previous prime is 30242941. The next prime is 30243013. The reversal of 30243000 is 34203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50704 + ... + 51296.

Almost surely, 2^30243000 is an apocalyptic number.

30243000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50038560).

30243000 is an abundant number, since it is smaller than the sum of its proper divisors (69834120).

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

30243000 is a wasteful number, since it uses less digits than its factorization.

30243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30243000 is about 5499.3635995450. The cubic root of 30243000 is about 311.5599483381.

Adding to 30243000 its reverse (34203), we get a palindrome (30277203).

It can be divided in two parts, 30 and 243000, that multiplied together give a square (7290000 = 2700²).

The spelling of 30243000 in words is "thirty million, two hundred forty-three thousand".