Search a number
-
+
2040289830 = 23357556629
BaseRepresentation
bin111100110011100…
…0101101000100110
312021012011110111000
41321213011220212
513134303233310
6534242254130
7101363114565
oct17147055046
95235143430
102040289830
11957765a47
1248b357346
13266912ab7
14154d85bdc
15be1c04c0
hex799c5a26

2040289830 has 32 divisors (see below), whose sum is σ = 5440773600. Its totient is φ = 544077216.

The previous prime is 2040289813. The next prime is 2040289861. The reversal of 2040289830 is 389820402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3778045 + ... + 3778584.

It is an arithmetic number, because the mean of its divisors is an integer number (170024175).

Almost surely, 22040289830 is an apocalyptic number.

2040289830 is an abundant number, since it is smaller than the sum of its proper divisors (3400483770).

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

2040289830 is a wasteful number, since it uses less digits than its factorization.

2040289830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556645 (or 7556639 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2040289830 is about 45169.5675206217. The cubic root of 2040289830 is about 1268.3252005344.

The spelling of 2040289830 in words is "two billion, forty million, two hundred eighty-nine thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 7556629 15113258 22669887 37783145 45339774 68009661 75566290 113349435 136019322 204028983 226698870 340048305 408057966 680096610 1020144915 2040289830