30083240 has 32 divisors (see below), whose sum is σ = 73841760. Its totient is φ = 10939200.

The previous prime is 30083239. The next prime is 30083269. The reversal of 30083240 is 4238003.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33746 + ... + 34625.

It is an arithmetic number, because the mean of its divisors is an integer number (2307555).

Almost surely, 2^30083240 is an apocalyptic number.

It is an amenable number.

30083240 is an abundant number, since it is smaller than the sum of its proper divisors (43758520).

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

30083240 is a wasteful number, since it uses less digits than its factorization.

30083240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68393 (or 68389 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30083240 is about 5484.8190489751. The cubic root of 30083240 is about 311.0103696876.

The spelling of 30083240 in words is "thirty million, eighty-three thousand, two hundred forty".