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28095194 = 2531272087
BaseRepresentation
bin110101100101…
…1001011011010
31221212101100202
41223023023122
524143021234
62442102202
7460543121
oct153131332
957771322
1028095194
111494a376
1294aa962
135a88c9a
143a34ab8
1526ee77e
hex1acb2da

28095194 has 16 divisors (see below), whose sum is σ = 43296768. Its totient is φ = 13667472.

The previous prime is 28095191. The next prime is 28095217. The reversal of 28095194 is 49159082.

It is not an unprimeable number, because it can be changed into a prime (28095191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12419 + ... + 14505.

It is an arithmetic number, because the mean of its divisors is an integer number (2706048).

Almost surely, 228095194 is an apocalyptic number.

28095194 is a deficient number, since it is larger than the sum of its proper divisors (15201574).

28095194 is a wasteful number, since it uses less digits than its factorization.

28095194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 28095194 is about 5300.4899773512. The cubic root of 28095194 is about 304.0026329989.

The spelling of 28095194 in words is "twenty-eight million, ninety-five thousand, one hundred ninety-four".

Divisors: 1 2 53 106 127 254 2087 4174 6731 13462 110611 221222 265049 530098 14047597 28095194