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28315106 = 226353831
BaseRepresentation
bin110110000000…
…0110111100010
31222021120000122
41230000313202
524222040411
62450520242
7462450221
oct154006742
958246018
1028315106
1114a8a616
129596082
135b35101
143a90cb8
1527449db
hex1b00de2

28315106 has 8 divisors (see below), whose sum is σ = 42634944. Its totient is φ = 14103460.

The previous prime is 28315099. The next prime is 28315109. The reversal of 28315106 is 60151382.

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

It is not an unprimeable number, because it can be changed into a prime (28315109) 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 3 ways as a sum of consecutive naturals, for example, 26390 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (5329368).

Almost surely, 228315106 is an apocalyptic number.

28315106 is a deficient number, since it is larger than the sum of its proper divisors (14319838).

28315106 is a wasteful number, since it uses less digits than its factorization.

28315106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54096.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 28315106 is about 5321.1940389352. The cubic root of 28315106 is about 304.7937546799.

Adding to 28315106 its reverse (60151382), we get a palindrome (88466488).

The spelling of 28315106 in words is "twenty-eight million, three hundred fifteen thousand, one hundred six".

Divisors: 1 2 263 526 53831 107662 14157553 28315106