Search a number
-
+
2220330340 = 225111016517
BaseRepresentation
bin1000010001010111…
…1000110101100100
312201201221110122001
42010111320311210
514021401032330
61004153215044
7106010332204
oct20425706544
95651843561
102220330340
11a3a356058
1251b701484
13294ccc247
14170c50404
15cedd59ca
hex84578d64

2220330340 has 12 divisors (see below), whose sum is σ = 4662693756. Its totient is φ = 888132128.

The previous prime is 2220330317. The next prime is 2220330377. The reversal of 2220330340 is 430330222.

It can be written as a sum of positive squares in 2 ways, for example, as 1103701284 + 1116629056 = 33222^2 + 33416^2 .

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, 55508239 + ... + 55508278.

It is an arithmetic number, because the mean of its divisors is an integer number (388557813).

Almost surely, 22220330340 is an apocalyptic number.

2220330340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220330340 is an abundant number, since it is smaller than the sum of its proper divisors (2442363416).

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

2220330340 is a wasteful number, since it uses less digits than its factorization.

2220330340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111016526 (or 111016524 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 2220330340 is about 47120.3813651800. The cubic root of 2220330340 is about 1304.5854518240.

Adding to 2220330340 its reverse (430330222), we get a palindrome (2650660562).

The spelling of 2220330340 in words is "two billion, two hundred twenty million, three hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 111016517 222033034 444066068 555082585 1110165170 2220330340