Search a number
-
+
2828161806 = 233120117561
BaseRepresentation
bin1010100010010010…
…0101001100001110
321022002200111122120
42220210211030032
521243002134211
61144345153410
7130040656461
oct25044451416
97262614576
102828161806
111221472908
1266b18b866
13360c0a632
141cb8752d8
1511844dd06
hexa892530e

2828161806 has 32 divisors (see below), whose sum is σ = 5842461696. Its totient is φ = 911736000.

The previous prime is 2828161793. The next prime is 2828161907. The reversal of 2828161806 is 6081618282.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 370266 + ... + 377826.

It is an arithmetic number, because the mean of its divisors is an integer number (182576928).

Almost surely, 22828161806 is an apocalyptic number.

2828161806 is an abundant number, since it is smaller than the sum of its proper divisors (3014299890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2828161806 is a wasteful number, since it uses less digits than its factorization.

2828161806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9608.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 2828161806 is about 53180.4645147069. The cubic root of 2828161806 is about 1414.1693411993.

The spelling of 2828161806 in words is "two billion, eight hundred twenty-eight million, one hundred sixty-one thousand, eight hundred six".

Divisors: 1 2 3 6 31 62 93 186 2011 4022 6033 7561 12066 15122 22683 45366 62341 124682 187023 234391 374046 468782 703173 1406346 15205171 30410342 45615513 91231026 471360301 942720602 1414080903 2828161806