15302030 has 16 divisors (see below), whose sum is σ = 28993680. Its totient is φ = 5798592.

The previous prime is 15302029. The next prime is 15302047. The reversal of 15302030 is 3020351.

It is a junction number, because it is equal to n+sod(n) for n = 15301996 and 15302014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40079 + ... + 40458.

It is an arithmetic number, because the mean of its divisors is an integer number (1812105).

Almost surely, 2^15302030 is an apocalyptic number.

15302030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15302030 is a deficient number, since it is larger than the sum of its proper divisors (13691650).

15302030 is a wasteful number, since it uses less digits than its factorization.

15302030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80563.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 15302030 is about 3911.7809243361. The cubic root of 15302030 is about 248.2654870234.

Adding to 15302030 its reverse (3020351), we get a palindrome (18322381).

The spelling of 15302030 in words is "fifteen million, three hundred two thousand, thirty".