Search a number
-
+
2143453200 = 243527255173
BaseRepresentation
bin111111111000010…
…1000000000010000
312112101021201000120
41333300220000100
513342211000300
6552405350240
7104055023460
oct17760500020
95471251016
102143453200
119aaa18129
124b9a08380
132820c3405
1416495bba0
15c829c3a0
hex7fc28010

2143453200 has 120 divisors (see below), whose sum is σ = 7847110848. Its totient is φ = 489930240.

The previous prime is 2143453199. The next prime is 2143453231. The reversal of 2143453200 is 23543412.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 119187 + ... + 135986.

Almost surely, 22143453200 is an apocalyptic number.

2143453200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143453200 is an abundant number, since it is smaller than the sum of its proper divisors (5703657648).

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

2143453200 is a wasteful number, since it uses less digits than its factorization.

2143453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255201 (or 255190 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2143453200 is about 46297.4426939545. The cubic root of 2143453200 is about 1289.3515158975.

Adding to 2143453200 its reverse (23543412), we get a palindrome (2166996612).

The spelling of 2143453200 in words is "two billion, one hundred forty-three million, four hundred fifty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 140 150 168 175 200 210 240 280 300 336 350 400 420 525 560 600 700 840 1050 1200 1400 1680 2100 2800 4200 8400 255173 510346 765519 1020692 1275865 1531038 1786211 2041384 2551730 3062076 3572422 3827595 4082768 5103460 5358633 6124152 6379325 7144844 7655190 8931055 10206920 10717266 12248304 12758650 14289688 15310380 17862110 19137975 20413840 21434532 25517300 26793165 28579376 30620760 35724220 38275950 42869064 44655275 51034600 53586330 61241520 71448440 76551900 85738128 89310550 102069200 107172660 133965825 142896880 153103800 178621100 214345320 267931650 306207600 357242200 428690640 535863300 714484400 1071726600 2143453200