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83808236 = 2223389923
BaseRepresentation
bin1001111111011…
…00111111101100
312211200220021202
410333230333230
5132423330421
612152145032
72035233611
oct477547754
9184626252
1083808236
1143342406
1224098178
1314494895
14b1b8508
15755710b
hex4fecfec

83808236 has 12 divisors (see below), whose sum is σ = 147295512. Its totient is φ = 41723808.

The previous prime is 83808229. The next prime is 83808269. The reversal of 83808236 is 63280838.

It is a self number, because there is not a number n which added to its sum of digits gives 83808236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44030 + ... + 45893.

It is an arithmetic number, because the mean of its divisors is an integer number (12274626).

Almost surely, 283808236 is an apocalyptic number.

It is an amenable number.

83808236 is a deficient number, since it is larger than the sum of its proper divisors (63487276).

83808236 is a wasteful number, since it uses less digits than its factorization.

83808236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90160 (or 90158 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 83808236 is about 9154.6838285110. The cubic root of 83808236 is about 437.6183925574.

The spelling of 83808236 in words is "eighty-three million, eight hundred eight thousand, two hundred thirty-six".

Divisors: 1 2 4 233 466 932 89923 179846 359692 20952059 41904118 83808236