15480002 has 4 divisors (see below), whose sum is σ = 23220006. Its totient is φ = 7740000.

The previous prime is 15479993. The next prime is 15480029. The reversal of 15480002 is 20008451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20008451 = 41 ⋅488011.

It can be written as a sum of positive squares in only one way, i.e., 14205361 + 1274641 = 3769^2 + 1129^2 .

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 as a sum of consecutive naturals, namely, 3869999 + ... + 3870002.

Almost surely, 2^15480002 is an apocalyptic number.

15480002 is a deficient number, since it is larger than the sum of its proper divisors (7740004).

15480002 is an equidigital number, since it uses as much as digits as its factorization.

15480002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740003.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 15480002 is about 3934.4633687455. The cubic root of 15480002 is about 249.2242728122.

Adding to 15480002 its reverse (20008451), we get a palindrome (35488453).

The spelling of 15480002 in words is "fifteen million, four hundred eighty thousand, two".