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28527083 = 132194391
BaseRepresentation
bin110110011010…
…0100111101011
31222200022210122
41230310213223
524300331313
62455233455
7464322224
oct154644753
958608718
1028527083
1115114902
12967888b
135baa740
143b0824b
152787708
hex1b349eb

28527083 has 4 divisors (see below), whose sum is σ = 30721488. Its totient is φ = 26332680.

The previous prime is 28527067. The next prime is 28527089. The reversal of 28527083 is 38072582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28527083 - 24 = 28527067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28527089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097183 + ... + 1097208.

It is an arithmetic number, because the mean of its divisors is an integer number (7680372).

Almost surely, 228527083 is an apocalyptic number.

28527083 is a deficient number, since it is larger than the sum of its proper divisors (2194405).

28527083 is a wasteful number, since it uses less digits than its factorization.

28527083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194404.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 28527083 is about 5341.0750790454. The cubic root of 28527083 is about 305.5524628129.

The spelling of 28527083 in words is "twenty-eight million, five hundred twenty-seven thousand, eighty-three".

Divisors: 1 13 2194391 28527083