30252830 has 16 divisors (see below), whose sum is σ = 54520560. Its totient is φ = 12086592.

The previous prime is 30252823. The next prime is 30252839. The reversal of 30252830 is 3825203.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30252796 and 30252805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30252839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11717 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (3407535).

Almost surely, 2^30252830 is an apocalyptic number.

30252830 is a deficient number, since it is larger than the sum of its proper divisors (24267730).

30252830 is a wasteful number, since it uses less digits than its factorization.

30252830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30252830 is about 5500.2572667103. The cubic root of 30252830 is about 311.5937005290.

The spelling of 30252830 in words is "thirty million, two hundred fifty-two thousand, eight hundred thirty".