Search a number
-
+
4805691220 = 2251121844051
BaseRepresentation
bin1000111100111000…
…10000011101010100
3110101220202102000201
410132130100131110
534320224104340
62112510350244
7230042462401
oct43634203524
913356672021
104805691220
112046761a40
12b214bb384
135b7817b95
143383612a8
151d1d7379a
hex11e710754

4805691220 has 24 divisors (see below), whose sum is σ = 11009402208. Its totient is φ = 1747524000.

The previous prime is 4805691199. The next prime is 4805691263. The reversal of 4805691220 is 221965084.

It is a self number, because there is not a number n which added to its sum of digits gives 4805691220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10921806 + ... + 10922245.

It is an arithmetic number, because the mean of its divisors is an integer number (458725092).

Almost surely, 24805691220 is an apocalyptic number.

It is an amenable number.

4805691220 is an abundant number, since it is smaller than the sum of its proper divisors (6203710988).

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

4805691220 is a wasteful number, since it uses less digits than its factorization.

4805691220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21844071 (or 21844069 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 4805691220 is about 69323.0929777372. The cubic root of 4805691220 is about 1687.5317562931.

The spelling of 4805691220 in words is "four billion, eight hundred five million, six hundred ninety-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 21844051 43688102 87376204 109220255 218440510 240284561 436881020 480569122 961138244 1201422805 2402845610 4805691220