306473130 has 48 divisors (see below), whose sum is σ = 822541824. Its totient is φ = 79089120.

The previous prime is 306473129. The next prime is 306473147. The reversal of 306473130 is 31374603.

It is a happy number.

306473130 is a `hidden beast` number, since 3 + 0 + 647 + 3 + 13 + 0 = 666.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 306473094 and 306473103.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 52134 + ... + 57713.

It is an arithmetic number, because the mean of its divisors is an integer number (17136288).

Almost surely, 2^306473130 is an apocalyptic number.

306473130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306473130 is an abundant number, since it is smaller than the sum of its proper divisors (516068694).

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

306473130 is a wasteful number, since it uses less digits than its factorization.

306473130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109891 (or 109888 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 306473130 is about 17506.3739820672. The cubic root of 306473130 is about 674.2135366981.

It can be divided in two parts, 306473 and 130, that added together give a palindrome (306603).

The spelling of 306473130 in words is "three hundred six million, four hundred seventy-three thousand, one hundred thirty".