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28136006 = 2612111093
BaseRepresentation
bin110101101010…
…1001001000110
31221221110100022
41223111021012
524200323011
62443015142
7461103113
oct153251106
957843308
1028136006
1114977aa8
12950a4b2
135aa1732
143a4590a
15270b8db
hex1ad5246

28136006 has 16 divisors (see below), whose sum is σ = 43138608. Its totient is φ = 13759200.

The previous prime is 28135999. The next prime is 28136011. The reversal of 28136006 is 60063182.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25196 + ... + 26288.

It is an arithmetic number, because the mean of its divisors is an integer number (2696163).

Almost surely, 228136006 is an apocalyptic number.

28136006 is a deficient number, since it is larger than the sum of its proper divisors (15002602).

28136006 is a wasteful number, since it uses less digits than its factorization.

28136006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 28136006 is about 5304.3384130351. The cubic root of 28136006 is about 304.1497631773.

Adding to 28136006 its reverse (60063182), we get a palindrome (88199188).

The spelling of 28136006 in words is "twenty-eight million, one hundred thirty-six thousand, six".

Divisors: 1 2 61 122 211 422 1093 2186 12871 25742 66673 133346 230623 461246 14068003 28136006