30252340 has 48 divisors (see below), whose sum is σ = 65402064. Its totient is φ = 11750400.

The previous prime is 30252331. The next prime is 30252353. The reversal of 30252340 is 4325203.

It can be written as a sum of positive squares in 8 ways, for example, as 11641744 + 18610596 = 3412^2 + 4314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167050 + ... + 167230.

It is an arithmetic number, because the mean of its divisors is an integer number (1362543).

Almost surely, 2^30252340 is an apocalyptic number.

It is an amenable number.

30252340 is an abundant number, since it is smaller than the sum of its proper divisors (35149724).

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

30252340 is a wasteful number, since it uses less digits than its factorization.

30252340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30252340 is about 5500.2127231590. The cubic root of 30252340 is about 311.5920182430.

Adding to 30252340 its reverse (4325203), we get a palindrome (34577543).

The spelling of 30252340 in words is "thirty million, two hundred fifty-two thousand, three hundred forty".