Search a number
-
+
2928220912 = 241078916963
BaseRepresentation
bin1010111010001001…
…0001101011110000
321120001222000221101
42232202101223300
521444111032122
61202321534144
7132364316131
oct25642215360
97501860841
102928220912
1112729a4791
126987a4354
13378871cc6
141dac7dc88
15122116027
hexae891af0

2928220912 has 20 divisors (see below), whose sum is σ = 5674288360. Its totient is φ = 1463888448.

The previous prime is 2928220901. The next prime is 2928220921. The reversal of 2928220912 is 2190228292.

It is a super-2 number, since 2×29282209122 = 17148955418948223488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164143 + ... + 181105.

It is an arithmetic number, because the mean of its divisors is an integer number (283714418).

Almost surely, 22928220912 is an apocalyptic number.

It is an amenable number.

2928220912 is a deficient number, since it is larger than the sum of its proper divisors (2746067448).

2928220912 is a wasteful number, since it uses less digits than its factorization.

2928220912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27760 (or 27754 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2928220912 is about 54113.0382809910. The cubic root of 2928220912 is about 1430.6539972344.

The spelling of 2928220912 in words is "two billion, nine hundred twenty-eight million, two hundred twenty thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 10789 16963 21578 33926 43156 67852 86312 135704 172624 271408 183013807 366027614 732055228 1464110456 2928220912