30256230 has 16 divisors (see below), whose sum is σ = 72615024. Its totient is φ = 8068320.

The previous prime is 30256229. The next prime is 30256249. The reversal of 30256230 is 3265203.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30256197 and 30256206.

It is a congruent number.

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, 504241 + ... + 504300.

It is an arithmetic number, because the mean of its divisors is an integer number (4538439).

Almost surely, 2^30256230 is an apocalyptic number.

30256230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30256230 is an abundant number, since it is smaller than the sum of its proper divisors (42358794).

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

30256230 is a wasteful number, since it uses less digits than its factorization.

30256230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008551.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30256230 is about 5500.5663344787. The cubic root of 30256230 is about 311.6053730336.

The spelling of 30256230 in words is "thirty million, two hundred fifty-six thousand, two hundred thirty".