30650260 has 36 divisors (see below), whose sum is σ = 67308948. Its totient is φ = 11723008.

The previous prime is 30650219. The next prime is 30650261. The reversal of 30650260 is 6205603.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 23775376 = 2622^2 + 4876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30650261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9132 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (1869693).

Almost surely, 2^30650260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30650260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33654474).

30650260 is an abundant number, since it is smaller than the sum of its proper divisors (36658688).

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

30650260 is a wasteful number, since it uses less digits than its factorization.

30650260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 30650260 is about 5536.2676958399. The cubic root of 30650260 is about 312.9522327048.

Adding to 30650260 its reverse (6205603), we get a palindrome (36855863).

The spelling of 30650260 in words is "thirty million, six hundred fifty thousand, two hundred sixty".