28152103 has 8 divisors (see below), whose sum is σ = 32267808. Its totient is φ = 24059904.

The previous prime is 28152101. The next prime is 28152121. The reversal of 28152103 is 30125182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28152103 - 2¹ = 28152101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28152101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3226 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (4033476).

Almost surely, 2^28152103 is an apocalyptic number.

28152103 is a deficient number, since it is larger than the sum of its proper divisors (4115705).

28152103 is a wasteful number, since it uses less digits than its factorization.

28152103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 28152103 is about 5305.8555389306. The cubic root of 28152103 is about 304.2077548881.

Adding to 28152103 its reverse (30125182), we get a palindrome (58277285).

The spelling of 28152103 in words is "twenty-eight million, one hundred fifty-two thousand, one hundred three".