Search a number
-
+
2210031340 = 2251191111027
BaseRepresentation
bin1000001110111010…
…0110011011101100
312201000120020001121
42003232212123230
514011232000330
61003144350324
7105523646026
oct20356463354
95630506047
102210031340
11a34561290
125181753a4
13292b3456a
1416d72d016
15ce04e17a
hex83ba66ec

2210031340 has 48 divisors (see below), whose sum is σ = 5068998144. Its totient is φ = 802692800.

The previous prime is 2210031277. The next prime is 2210031347. The reversal of 2210031340 is 431300122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2210031347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194907 + ... + 205933.

It is an arithmetic number, because the mean of its divisors is an integer number (105604128).

Almost surely, 22210031340 is an apocalyptic number.

2210031340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210031340 is an abundant number, since it is smaller than the sum of its proper divisors (2858966804).

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

2210031340 is a wasteful number, since it uses less digits than its factorization.

2210031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11958 (or 11956 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2210031340 is about 47010.9704218069. The cubic root of 2210031340 is about 1302.5652188882.

Adding to 2210031340 its reverse (431300122), we get a palindrome (2641331462).

The spelling of 2210031340 in words is "two billion, two hundred ten million, thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 911 1822 3644 4555 9110 10021 11027 18220 20042 22054 40084 44108 50105 55135 100210 110270 121297 200420 220540 242594 485188 606485 1212970 2425940 10045597 20091194 40182388 50227985 100455970 110501567 200911940 221003134 442006268 552507835 1105015670 2210031340