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28863106 = 226995347
BaseRepresentation
bin110111000011…
…0101010000010
32000022101201221
41232012222002
524342104411
62510345254
7500221666
oct156065202
960271657
1028863106
1115324308
1297bb22a
135c9767c
143b948a6
152802071
hex1b86a82

28863106 has 8 divisors (see below), whose sum is σ = 43318800. Its totient is φ = 14423508.

The previous prime is 28863097. The next prime is 28863119. The reversal of 28863106 is 60136882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2725 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (5414850).

Almost surely, 228863106 is an apocalyptic number.

28863106 is a deficient number, since it is larger than the sum of its proper divisors (14455694).

28863106 is a wasteful number, since it uses less digits than its factorization.

28863106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 28863106 is about 5372.4394831399. The cubic root of 28863106 is about 306.7474926106.

Adding to 28863106 its reverse (60136882), we get a palindrome (88999988).

The spelling of 28863106 in words is "twenty-eight million, eight hundred sixty-three thousand, one hundred six".

Divisors: 1 2 2699 5347 5398 10694 14431553 28863106