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28027006 = 275933931
BaseRepresentation
bin110101011101…
…0100001111110
31221201220211021
41222322201332
524133331011
62440414354
7460140250
oct152724176
957656737
1028027006
1114903117
1294773ba
135a63c37
143a17cd0
1526d9471
hex1aba87e

28027006 has 16 divisors (see below), whose sum is σ = 48862080. Its totient is φ = 11807640.

The previous prime is 28027003. The next prime is 28027031. The reversal of 28027006 is 60072082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28027003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16140 + ... + 17791.

It is an arithmetic number, because the mean of its divisors is an integer number (3053880).

Almost surely, 228027006 is an apocalyptic number.

28027006 is a deficient number, since it is larger than the sum of its proper divisors (20835074).

28027006 is a wasteful number, since it uses less digits than its factorization.

28027006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33999.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 28027006 is about 5294.0538342559. The cubic root of 28027006 is about 303.7564921530.

Adding to 28027006 its reverse (60072082), we get a palindrome (88099088).

The spelling of 28027006 in words is "twenty-eight million, twenty-seven thousand, six".

Divisors: 1 2 7 14 59 118 413 826 33931 67862 237517 475034 2001929 4003858 14013503 28027006