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28126606 = 226635281
BaseRepresentation
bin110101101001…
…0110110001110
31221220222110011
41223102312032
524200022411
62442503434
7461033524
oct153226616
957828404
1028126606
1114970a32
129504b7a
135a9a381
143a42314
152708c21
hex1ad2d8e

28126606 has 8 divisors (see below), whose sum is σ = 42213744. Its totient is φ = 14055360.

The previous prime is 28126603. The next prime is 28126643. The reversal of 28126606 is 60662182.

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

It is a super-2 number, since 2×281266062 = 1582211930158472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28126603) 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, 2686 + ... + 7966.

It is an arithmetic number, because the mean of its divisors is an integer number (5276718).

Almost surely, 228126606 is an apocalyptic number.

28126606 is a deficient number, since it is larger than the sum of its proper divisors (14087138).

28126606 is a wasteful number, since it uses less digits than its factorization.

28126606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28126606 is about 5303.4522718697. The cubic root of 28126606 is about 304.1158881227.

Adding to 28126606 its reverse (60662182), we get a palindrome (88788788).

The spelling of 28126606 in words is "twenty-eight million, one hundred twenty-six thousand, six hundred six".

Divisors: 1 2 2663 5281 5326 10562 14063303 28126606