30126260 has 48 divisors (see below), whose sum is σ = 65345616. Its totient is φ = 11661312.

The previous prime is 30126247. The next prime is 30126269. The reversal of 30126260 is 6262103.

It can be written as a sum of positive squares in 8 ways, for example, as 2521744 + 27604516 = 1588^2 + 5254^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30126269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102674 + ... + 102966.

It is an arithmetic number, because the mean of its divisors is an integer number (1361367).

Almost surely, 2^30126260 is an apocalyptic number.

It is an amenable number.

30126260 is an abundant number, since it is smaller than the sum of its proper divisors (35219356).

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

30126260 is a wasteful number, since it uses less digits than its factorization.

30126260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30126260 is about 5488.7393816795. The cubic root of 30126260 is about 311.1585506835.

Adding to 30126260 its reverse (6262103), we get a palindrome (36388363).

The spelling of 30126260 in words is "thirty million, one hundred twenty-six thousand, two hundred sixty".