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83805056 = 27654727
BaseRepresentation
bin1001111111011…
…00001110000000
312211200201220222
410333230032000
5132423230211
612152122212
72035221416
oct477541600
9184621828
1083805056
114333aa85
1224096368
13144932ba
14b1b72b6
1575561db
hex4fec380

83805056 has 16 divisors (see below), whose sum is σ = 166955640. Its totient is φ = 41902464.

The previous prime is 83805049. The next prime is 83805061. The reversal of 83805056 is 65050838.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×838050562 = 14046574822326272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327236 + ... + 327491.

Almost surely, 283805056 is an apocalyptic number.

It is an amenable number.

83805056 is a deficient number, since it is larger than the sum of its proper divisors (83150584).

83805056 is an equidigital number, since it uses as much as digits as its factorization.

83805056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654741 (or 654729 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 83805056 is about 9154.5101452781. The cubic root of 83805056 is about 437.6128575242.

The spelling of 83805056 in words is "eighty-three million, eight hundred five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 128 654727 1309454 2618908 5237816 10475632 20951264 41902528 83805056