Search a number
-
+
2243528308 = 227256920117
BaseRepresentation
bin1000010110111001…
…1000011001110100
312210100121001021001
42011232120121310
514043320401213
61010342333044
7106411450600
oct20556303164
95710531231
102243528308
11a5146002a
1252742a184
13299a62158
14173d6c500
15d1e691dd
hex85b98674

2243528308 has 36 divisors (see below), whose sum is σ = 4575436740. Its totient is φ = 959774592.

The previous prime is 2243528297. The next prime is 2243528317. The reversal of 2243528308 is 8038253422.

It can be written as a sum of positive squares in 2 ways, for example, as 416649744 + 1826878564 = 20412^2 + 42742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101466 + ... + 121582.

It is an arithmetic number, because the mean of its divisors is an integer number (127095465).

Almost surely, 22243528308 is an apocalyptic number.

2243528308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2243528308 is an abundant number, since it is smaller than the sum of its proper divisors (2331908432).

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

2243528308 is a wasteful number, since it uses less digits than its factorization.

2243528308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704 (or 20695 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2243528308 is about 47365.8981546851. The cubic root of 2243528308 is about 1309.1131475874.

The spelling of 2243528308 in words is "two billion, two hundred forty-three million, five hundred twenty-eight thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 49 98 196 569 1138 2276 3983 7966 15932 20117 27881 40234 55762 80468 111524 140819 281638 563276 985733 1971466 3942932 11446573 22893146 45786292 80126011 160252022 320504044 560882077 1121764154 2243528308