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28283708 = 2211296263
BaseRepresentation
bin110101111100…
…1001100111100
31222012221221202
41223321030330
524220034313
62450115032
7462256535
oct153711474
958187852
1028283708
1114a68a72
12957ba78
135b23a2b
143a8368c
15273a558
hex1af933c

28283708 has 12 divisors (see below), whose sum is σ = 49548240. Its totient is φ = 14127072.

The previous prime is 28283693. The next prime is 28283711. The reversal of 28283708 is 80738282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (4129020).

Almost surely, 228283708 is an apocalyptic number.

It is an amenable number.

28283708 is a deficient number, since it is larger than the sum of its proper divisors (21264532).

28283708 is a wasteful number, since it uses less digits than its factorization.

28283708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396 (or 7394 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 28283708 is about 5318.2429429277. The cubic root of 28283708 is about 304.6810533091.

The spelling of 28283708 in words is "twenty-eight million, two hundred eighty-three thousand, seven hundred eight".

Divisors: 1 2 4 1129 2258 4516 6263 12526 25052 7070927 14141854 28283708