304552130 has 16 divisors (see below), whose sum is σ = 549950904. Its totient is φ = 121430400.

The previous prime is 304552123. The next prime is 304552133. The reversal of 304552130 is 31255403.

It can be written as a sum of positive squares in 4 ways, for example, as 43309561 + 261242569 = 6581^2 + 16163^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304552096 and 304552105.

It is not an unprimeable number, because it can be changed into a prime (304552133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45521 + ... + 51780.

Almost surely, 2^304552130 is an apocalyptic number.

304552130 is a deficient number, since it is larger than the sum of its proper divisors (245398774).

304552130 is a wasteful number, since it uses less digits than its factorization.

304552130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97621.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 304552130 is about 17451.4220050975. The cubic root of 304552130 is about 672.8019069806.

The spelling of 304552130 in words is "three hundred four million, five hundred fifty-two thousand, one hundred thirty".