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28062292 = 2215114643
BaseRepresentation
bin110101100001…
…1001001010100
31221210201020011
41223003021110
524140443132
62441250004
7460345156
oct153031124
957721204
1028062292
1114927685
129493904
135a7700b
143a26ad6
1526e4b47
hex1ac3254

28062292 has 12 divisors (see below), whose sum is σ = 49152096. Its totient is φ = 14018840.

The previous prime is 28062289. The next prime is 28062299. The reversal of 28062292 is 29226082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28062299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3723 + ... + 8365.

It is an arithmetic number, because the mean of its divisors is an integer number (4096008).

Almost surely, 228062292 is an apocalyptic number.

It is an amenable number.

28062292 is a deficient number, since it is larger than the sum of its proper divisors (21089804).

28062292 is a wasteful number, since it uses less digits than its factorization.

28062292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158 (or 6156 counting only the distinct ones).

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

The square root of 28062292 is about 5297.3853928141. The cubic root of 28062292 is about 303.8839151653.

The spelling of 28062292 in words is "twenty-eight million, sixty-two thousand, two hundred ninety-two".

Divisors: 1 2 4 1511 3022 4643 6044 9286 18572 7015573 14031146 28062292