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28182126 = 237671003
BaseRepresentation
bin110101110000…
…0011001101110
31222000210121110
41223200121232
524203312001
62444012450
7461354430
oct153403156
958023543
1028182126
11149a9715
129531126
135ab971b
143a58650
15271a3d6
hex1ae066e

28182126 has 16 divisors (see below), whose sum is σ = 64416384. Its totient is φ = 8052024.

The previous prime is 28182109. The next prime is 28182127. The reversal of 28182126 is 62128182.

It is a junction number, because it is equal to n+sod(n) for n = 28182093 and 28182102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28182127) 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, 335460 + ... + 335543.

It is an arithmetic number, because the mean of its divisors is an integer number (4026024).

Almost surely, 228182126 is an apocalyptic number.

28182126 is an abundant number, since it is smaller than the sum of its proper divisors (36234258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28182126 is a wasteful number, since it uses less digits than its factorization.

28182126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671015.

The product of its digits is 3072, while the sum is 30.

The square root of 28182126 is about 5308.6840177204. The cubic root of 28182126 is about 304.3158579383.

The spelling of 28182126 in words is "twenty-eight million, one hundred eighty-two thousand, one hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 671003 1342006 2013009 4026018 4697021 9394042 14091063 28182126