Search a number
-
+
220384212 = 223181110141
BaseRepresentation
bin11010010001011…
…00101111010100
3120100200200022020
431020230233110
5422404243322
633511333140
75314143366
oct1510545724
9510620266
10220384212
11103445a14
12619811b0
1336873579
14213aad36
151453405c
hexd22cbd4

220384212 has 24 divisors (see below), whose sum is σ = 514564512. Its totient is φ = 73413600.

The previous prime is 220384207. The next prime is 220384217. The reversal of 220384212 is 212483022.

220384212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220384207) and next prime (220384217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220384217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16662 + ... + 26802.

It is an arithmetic number, because the mean of its divisors is an integer number (21440188).

Almost surely, 2220384212 is an apocalyptic number.

It is an amenable number.

220384212 is an abundant number, since it is smaller than the sum of its proper divisors (294180300).

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

220384212 is a wasteful number, since it uses less digits than its factorization.

220384212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220384212 is about 14845.3431081939. The cubic root of 220384212 is about 604.0322958332.

The spelling of 220384212 in words is "two hundred twenty million, three hundred eighty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1811 3622 5433 7244 10141 10866 20282 21732 30423 40564 60846 121692 18365351 36730702 55096053 73461404 110192106 220384212