28473154 has 8 divisors (see below), whose sum is σ = 42856380. Its totient is φ = 14187696.

The previous prime is 28473083. The next prime is 28473161. The reversal of 28473154 is 45137482.

It can be written as a sum of positive squares in 2 ways, for example, as 24950025 + 3523129 = 4995^2 + 1877^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23709 + ... + 24880.

Almost surely, 2^28473154 is an apocalyptic number.

28473154 is a deficient number, since it is larger than the sum of its proper divisors (14383226).

28473154 is a wasteful number, since it uses less digits than its factorization.

28473154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884.

The product of its digits is 26880, while the sum is 34.

The square root of 28473154 is about 5336.0241753575. The cubic root of 28473154 is about 305.3597975553.

The spelling of 28473154 in words is "twenty-eight million, four hundred seventy-three thousand, one hundred fifty-four".