Search a number
-
+
2013840900 = 2233522332429
BaseRepresentation
bin111100000001000…
…1100011000000100
312012100101201101000
41320002030120010
513111020402100
6531455333300
7100622236161
oct17002143004
95170351330
102013840900
11943840525
12482521230
132612b2246
1415165d068
15bbbe8900
hex7808c604

2013840900 has 144 divisors (see below), whose sum is σ = 6755817600. Its totient is φ = 513659520.

The previous prime is 2013840889. The next prime is 2013840967. The reversal of 2013840900 is 90483102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45886 + ... + 78314.

It is an arithmetic number, because the mean of its divisors is an integer number (46915400).

Almost surely, 22013840900 is an apocalyptic number.

2013840900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013840900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3377908800).

2013840900 is an abundant number, since it is smaller than the sum of its proper divisors (4741976700).

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

2013840900 is a wasteful number, since it uses less digits than its factorization.

2013840900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32475 (or 32462 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2013840900 is about 44875.8387108252. The cubic root of 2013840900 is about 1262.8207778822.

The spelling of 2013840900 in words is "two billion, thirteen million, eight hundred forty thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 25 27 30 36 45 46 50 54 60 69 75 90 92 100 108 115 135 138 150 180 207 225 230 270 276 300 345 414 450 460 540 575 621 675 690 828 900 1035 1150 1242 1350 1380 1725 2070 2300 2484 2700 3105 3450 4140 5175 6210 6900 10350 12420 15525 20700 31050 32429 62100 64858 97287 129716 162145 194574 291861 324290 389148 486435 583722 648580 745867 810725 875583 972870 1167444 1459305 1491734 1621450 1751166 1945740 2237601 2432175 2918610 2983468 3242900 3502332 3729335 4377915 4475202 4864350 5837220 6712803 7296525 7458670 8755830 8950404 9728700 11188005 13425606 14593050 14917340 17511660 18646675 20138409 21889575 22376010 26851212 29186100 33564015 37293350 40276818 43779150 44752020 55940025 67128030 74586700 80553636 87558300 100692045 111880050 134256060 167820075 201384090 223760100 335640150 402768180 503460225 671280300 1006920450 2013840900