Search a number
-
+
2143404300 = 223527990439
BaseRepresentation
bin111111111000001…
…1100000100001100
312112101012012221110
41333300130010030
513342202414200
6552404332020
7104054431062
oct17760340414
95471165843
102143404300
119aa994414
124b99a4010
132820a708b
14164948032
15c828cb50
hex7fc1c10c

2143404300 has 72 divisors (see below), whose sum is σ = 6280153600. Its totient is φ = 564333120.

The previous prime is 2143404299. The next prime is 2143404331. The reversal of 2143404300 is 34043412.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21520 + ... + 68919.

Almost surely, 22143404300 is an apocalyptic number.

2143404300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143404300 is an abundant number, since it is smaller than the sum of its proper divisors (4136749300).

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

2143404300 is a wasteful number, since it uses less digits than its factorization.

2143404300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90535 (or 90528 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2143404300 is about 46296.9145840195. The cubic root of 2143404300 is about 1289.3417108831.

Adding to 2143404300 its reverse (34043412), we get a palindrome (2177447712).

The spelling of 2143404300 in words is "two billion, one hundred forty-three million, four hundred four thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 79 100 150 158 237 300 316 395 474 790 948 1185 1580 1975 2370 3950 4740 5925 7900 11850 23700 90439 180878 271317 361756 452195 542634 904390 1085268 1356585 1808780 2260975 2713170 4521950 5426340 6782925 7144681 9043900 13565850 14289362 21434043 27131700 28578724 35723405 42868086 71446810 85736172 107170215 142893620 178617025 214340430 357234050 428680860 535851075 714468100 1071702150 2143404300