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830884161 = 3389711983
BaseRepresentation
bin110001100001100…
…100100101000001
32010220110021210110
4301201210211001
53200201243121
6214240421533
726406253542
oct6141444501
92126407713
10830884161
11397015628
121b23178a9
131031a7443
147c4c84c9
154ce27d76
hex31864941

830884161 has 8 divisors (see below), whose sum is σ = 1110695040. Its totient is φ = 552498032.

The previous prime is 830884097. The next prime is 830884181. The reversal of 830884161 is 161488038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 830884161 - 26 = 830884097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (830884181) 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 7 ways as a sum of consecutive naturals, for example, 354825 + ... + 357158.

It is an arithmetic number, because the mean of its divisors is an integer number (138836880).

Almost surely, 2830884161 is an apocalyptic number.

It is an amenable number.

830884161 is a deficient number, since it is larger than the sum of its proper divisors (279810879).

830884161 is a wasteful number, since it uses less digits than its factorization.

830884161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712375.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 830884161 is about 28825.0613355809. The cubic root of 830884161 is about 940.1132204804.

The spelling of 830884161 in words is "eight hundred thirty million, eight hundred eighty-four thousand, one hundred sixty-one".

Divisors: 1 3 389 1167 711983 2135949 276961387 830884161