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28226046 = 2313135911
BaseRepresentation
bin110101110101…
…1000111111110
31222010000212010
41223223013332
524211213141
62444552050
7461626452
oct153530776
958100763
1028226046
1114a29712
129552626
135b03704
143a6a662
152728416
hex1aeb1fe

28226046 has 16 divisors (see below), whose sum is σ = 56884608. Its totient is φ = 9336600.

The previous prime is 28225993. The next prime is 28226071. The reversal of 28226046 is 64062282.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17170 + ... + 18741.

It is an arithmetic number, because the mean of its divisors is an integer number (3555288).

Almost surely, 228226046 is an apocalyptic number.

28226046 is an abundant number, since it is smaller than the sum of its proper divisors (28658562).

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

28226046 is a wasteful number, since it uses less digits than its factorization.

28226046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36047.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28226046 is about 5312.8190257151. The cubic root of 28226046 is about 304.4738613406.

The spelling of 28226046 in words is "twenty-eight million, two hundred twenty-six thousand, forty-six".

Divisors: 1 2 3 6 131 262 393 786 35911 71822 107733 215466 4704341 9408682 14113023 28226046