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28534883 = 132194991
BaseRepresentation
bin110110011011…
…0100001100011
31222200201111112
41230312201203
524301104013
62455333535
7464354036
oct154664143
958621445
1028534883
111511a753
1296812ab
135bb1160
143b0b01d
152789ba8
hex1b36863

28534883 has 4 divisors (see below), whose sum is σ = 30729888. Its totient is φ = 26339880.

The previous prime is 28534871. The next prime is 28534889. The reversal of 28534883 is 38843582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38843582 = 219421791.

It is a cyclic number.

It is not a de Polignac number, because 28534883 - 210 = 28533859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28534883.

It is not an unprimeable number, because it can be changed into a prime (28534889) 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 3 ways as a sum of consecutive naturals, for example, 1097483 + ... + 1097508.

It is an arithmetic number, because the mean of its divisors is an integer number (7682472).

Almost surely, 228534883 is an apocalyptic number.

28534883 is a deficient number, since it is larger than the sum of its proper divisors (2195005).

28534883 is a wasteful number, since it uses less digits than its factorization.

28534883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195004.

The product of its digits is 184320, while the sum is 41.

The square root of 28534883 is about 5341.8052192119. The cubic root of 28534883 is about 305.5803087728.

The spelling of 28534883 in words is "twenty-eight million, five hundred thirty-four thousand, eight hundred eighty-three".

Divisors: 1 13 2194991 28534883