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28076826 = 2317275263
BaseRepresentation
bin110101100011…
…0101100011010
31221211110011110
41223012230122
524141424301
62441441150
7460435431
oct153065432
957743143
1028076826
1114937598
1294a01b6
135a8080b
143a2c118
1526e90d6
hex1ac6b1a

28076826 has 16 divisors (see below), whose sum is σ = 59457024. Its totient is φ = 8808384.

The previous prime is 28076801. The next prime is 28076831. The reversal of 28076826 is 62867082.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137530 + ... + 137733.

It is an arithmetic number, because the mean of its divisors is an integer number (3716064).

Almost surely, 228076826 is an apocalyptic number.

28076826 is an abundant number, since it is smaller than the sum of its proper divisors (31380198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28076826 is a wasteful number, since it uses less digits than its factorization.

28076826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275285.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 28076826 is about 5298.7570240576. The cubic root of 28076826 is about 303.9363685495.

The spelling of 28076826 in words is "twenty-eight million, seventy-six thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 17 34 51 102 275263 550526 825789 1651578 4679471 9358942 14038413 28076826