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831082075 = 5233243283
BaseRepresentation
bin110001100010010…
…100111001011011
32010220211100021121
4301202110321123
53200224111300
6214244550111
726411036545
oct6142247133
92126740247
10831082075
1139714029a
121b23b2337
13103246555
147c53a695
154ce6681a
hex31894e5b

831082075 has 6 divisors (see below), whose sum is σ = 1030541804. Its totient is φ = 664865640.

The previous prime is 831082067. The next prime is 831082081. The reversal of 831082075 is 570280138.

831082075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 831082075 - 23 = 831082067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 831082075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16621617 + ... + 16621666.

Almost surely, 2831082075 is an apocalyptic number.

831082075 is a deficient number, since it is larger than the sum of its proper divisors (199459729).

831082075 is a wasteful number, since it uses less digits than its factorization.

831082075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33243293 (or 33243288 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 831082075 is about 28828.4941507530. The cubic root of 831082075 is about 940.1878585609.

The spelling of 831082075 in words is "eight hundred thirty-one million, eighty-two thousand, seventy-five".

Divisors: 1 5 25 33243283 166216415 831082075