15242000 has 40 divisors (see below), whose sum is σ = 36859992. Its totient is φ = 6096000.

The previous prime is 15241997. The next prime is 15242027. The reversal of 15242000 is 24251.

It can be written as a sum of positive squares in 4 ways, for example, as 784 + 15241216 = 28^2 + 3904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 1811 + ... + 5810.

Almost surely, 2^15242000 is an apocalyptic number.

15242000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15242000 is an abundant number, since it is smaller than the sum of its proper divisors (21617992).

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

15242000 is an equidigital number, since it uses as much as digits as its factorization.

15242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644 (or 7628 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 15242000 is about 3904.1004085448. The cubic root of 15242000 is about 247.9404123228.

Adding to 15242000 its reverse (24251), we get a palindrome (15266251).

The spelling of 15242000 in words is "fifteen million, two hundred forty-two thousand".