Search a number
-
+
218826000 = 24325312157
BaseRepresentation
bin11010000101100…
…00010100010000
3120020202111211200
431002300110100
5422004413000
633414111200
75264663451
oct1502602420
9506674750
10218826000
11102581238
126134b500
1336449253
14210c3128
1514327500
hexd0b0510

218826000 has 120 divisors (see below), whose sum is σ = 764349144. Its totient is φ = 58348800.

The previous prime is 218825977. The next prime is 218826007. The reversal of 218826000 is 628812.

218826000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49617936 + 169208064 = 7044^2 + 13008^2 .

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

It is not an unprimeable number, because it can be changed into a prime (218826007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11922 + ... + 24078.

Almost surely, 2218826000 is an apocalyptic number.

218826000 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 218826000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382174572).

218826000 is an abundant number, since it is smaller than the sum of its proper divisors (545523144).

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

218826000 is a wasteful number, since it uses less digits than its factorization.

218826000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 218826000 is about 14792.7685035628. The cubic root of 218826000 is about 602.6053373212.

The spelling of 218826000 in words is "two hundred eighteen million, eight hundred twenty-six thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 720 750 900 1000 1125 1200 1500 1800 2000 2250 3000 3600 4500 6000 9000 12157 18000 24314 36471 48628 60785 72942 97256 109413 121570 145884 182355 194512 218826 243140 291768 303925 364710 437652 486280 547065 583536 607850 729420 875304 911775 972560 1094130 1215700 1458840 1519625 1750608 1823550 2188260 2431400 2735325 2917680 3039250 3647100 4376520 4558875 4862800 5470650 6078500 7294200 8753040 9117750 10941300 12157000 13676625 14588400 18235500 21882600 24314000 27353250 36471000 43765200 54706500 72942000 109413000 218826000