30262250 has 64 divisors (see below), whose sum is σ = 62449920. Its totient is φ = 10929600.

The previous prime is 30262249. The next prime is 30262301. The reversal of 30262250 is 5226203.

It is a happy 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, 109112 + ... + 109388.

It is an arithmetic number, because the mean of its divisors is an integer number (975780).

Almost surely, 2^30262250 is an apocalyptic number.

30262250 is an abundant number, since it is smaller than the sum of its proper divisors (32187670).

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

30262250 is a wasteful number, since it uses less digits than its factorization.

30262250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30262250 is about 5501.1135236423. The cubic root of 30262250 is about 311.6260380884.

Adding to 30262250 its reverse (5226203), we get a palindrome (35488453).

The spelling of 30262250 in words is "thirty million, two hundred sixty-two thousand, two hundred fifty".