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28182035 = 571942379
BaseRepresentation
bin110101110000…
…0011000010011
31222000210111002
41223200120103
524203311120
62444012215
7461354240
oct153403023
958023432
1028182035
11149a9642
12953106b
135ab967b
143a585c7
15271a375
hex1ae0613

28182035 has 16 divisors (see below), whose sum is σ = 40684800. Its totient is φ = 18307296.

The previous prime is 28182031. The next prime is 28182083. The reversal of 28182035 is 53028182.

It is not a de Polignac number, because 28182035 - 22 = 28182031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28181989 and 28182007.

It is not an unprimeable number, because it can be changed into a prime (28182031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20525 + ... + 21854.

It is an arithmetic number, because the mean of its divisors is an integer number (2542800).

Almost surely, 228182035 is an apocalyptic number.

28182035 is a deficient number, since it is larger than the sum of its proper divisors (12502765).

28182035 is a wasteful number, since it uses less digits than its factorization.

28182035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42410.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28182035 is about 5308.6754468511. The cubic root of 28182035 is about 304.3155303930.

The spelling of 28182035 in words is "twenty-eight million, one hundred eighty-two thousand, thirty-five".

Divisors: 1 5 7 19 35 95 133 665 42379 211895 296653 805201 1483265 4026005 5636407 28182035