15048820 has 24 divisors (see below), whose sum is σ = 32201064. Its totient is φ = 5905536.

The previous prime is 15048797. The next prime is 15048829. The reversal of 15048820 is 2884051.

It can be written as a sum of positive squares in 4 ways, for example, as 7420176 + 7628644 = 2724^2 + 2762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15048829) 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, 6039 + ... + 8158.

It is an arithmetic number, because the mean of its divisors is an integer number (1341711).

Almost surely, 2^15048820 is an apocalyptic number.

15048820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15048820 is an abundant number, since it is smaller than the sum of its proper divisors (17152244).

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

15048820 is a wasteful number, since it uses less digits than its factorization.

15048820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14259 (or 14257 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 15048820 is about 3879.2808611906. The cubic root of 15048820 is about 246.8884742953. Note that the first 3 decimals are identical.

The spelling of 15048820 in words is "fifteen million, forty-eight thousand, eight hundred twenty".