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28045606 = 2130710729
BaseRepresentation
bin110101011111…
…1000100100110
31221202212100011
41222333010212
524134424411
62441040434
7460245421
oct152770446
957685304
1028045606
1114916096
12948611a
135a6c544
143a209b8
1526dec21
hex1abf126

28045606 has 8 divisors (see below), whose sum is σ = 42104520. Its totient is φ = 14010768.

The previous prime is 28045573. The next prime is 28045609. The reversal of 28045606 is 60654082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28045609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (5263065).

Almost surely, 228045606 is an apocalyptic number.

28045606 is a deficient number, since it is larger than the sum of its proper divisors (14058914).

28045606 is a wasteful number, since it uses less digits than its factorization.

28045606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 28045606 is about 5295.8102307390. The cubic root of 28045606 is about 303.8236728498.

Adding to 28045606 its reverse (60654082), we get a palindrome (88699688).

The spelling of 28045606 in words is "twenty-eight million, forty-five thousand, six hundred six".

Divisors: 1 2 1307 2614 10729 21458 14022803 28045606