Search a number
-
+
2228985786 = 237113273943
BaseRepresentation
bin1000010011011011…
…1001111110111010
312202100020012200010
42010312321332322
514031110021121
61005102522350
7106144031556
oct20466717672
95670205603
102228985786
11a44228015
125225963b6
13296a3cb01
14172064866
15d0a45376
hex84db9fba

2228985786 has 32 divisors (see below), whose sum is σ = 4525314048. Its totient is φ = 731792880.

The previous prime is 2228985751. The next prime is 2228985881. The reversal of 2228985786 is 6875898222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563331 + ... + 567273.

It is an arithmetic number, because the mean of its divisors is an integer number (141416064).

Almost surely, 22228985786 is an apocalyptic number.

2228985786 is an abundant number, since it is smaller than the sum of its proper divisors (2296328262).

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

2228985786 is a wasteful number, since it uses less digits than its factorization.

2228985786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346.

The product of its digits is 7741440, while the sum is 57.

The square root of 2228985786 is about 47212.1360033625. The cubic root of 2228985786 is about 1306.2784623393.

The spelling of 2228985786 in words is "two billion, two hundred twenty-eight million, nine hundred eighty-five thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 71 142 213 426 1327 2654 3943 3981 7886 7962 11829 23658 94217 188434 279953 282651 559906 565302 839859 1679718 5232361 10464722 15697083 31394166 371497631 742995262 1114492893 2228985786