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28124935 = 546312149
BaseRepresentation
bin110101101001…
…0011100000111
31221220220011021
41223102130013
524144444220
62442452011
7461025616
oct153223407
957826137
1028124935
111496a753
129504007
135a99697
143a4187d
1527084aa
hex1ad2707

28124935 has 8 divisors (see below), whose sum is σ = 33825600. Its totient is φ = 22449504.

The previous prime is 28124933. The next prime is 28124939. The reversal of 28124935 is 53942182.

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 28124935 - 21 = 28124933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28124935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28124933) 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, 3760 + ... + 8389.

It is an arithmetic number, because the mean of its divisors is an integer number (4228200).

Almost surely, 228124935 is an apocalyptic number.

28124935 is a deficient number, since it is larger than the sum of its proper divisors (5700665).

28124935 is a wasteful number, since it uses less digits than its factorization.

28124935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617.

The product of its digits is 17280, while the sum is 34.

The square root of 28124935 is about 5303.2947306368. The cubic root of 28124935 is about 304.1098655011.

The spelling of 28124935 in words is "twenty-eight million, one hundred twenty-four thousand, nine hundred thirty-five".

Divisors: 1 5 463 2315 12149 60745 5624987 28124935