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2323321220 = 2251110560551
BaseRepresentation
bin1000101001111011…
…0001000110000100
312222220201221120002
42022132301012010
514224232234340
61022312500432
7111400622153
oct21236610604
95886657502
102323321220
11a924aa690
1254a0aa718
132b044c1ac
141807bd59a
15d8e7b715
hex8a7b1184

2323321220 has 24 divisors (see below), whose sum is σ = 5322518208. Its totient is φ = 844844000.

The previous prime is 2323321181. The next prime is 2323321229. The reversal of 2323321220 is 221233232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2323321192 and 2323321201.

It is not an unprimeable number, because it can be changed into a prime (2323321229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5280056 + ... + 5280495.

It is an arithmetic number, because the mean of its divisors is an integer number (221771592).

Almost surely, 22323321220 is an apocalyptic number.

2323321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323321220 is an abundant number, since it is smaller than the sum of its proper divisors (2999196988).

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

2323321220 is a wasteful number, since it uses less digits than its factorization.

2323321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560571 (or 10560569 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2323321220 is about 48200.8425237568. The cubic root of 2323321220 is about 1324.4525983740.

Adding to 2323321220 its reverse (221233232), we get a palindrome (2544554452).

It can be divided in two parts, 23233212 and 20, that added together give a palindrome (23233232).

The spelling of 2323321220 in words is "two billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10560551 21121102 42242204 52802755 105605510 116166061 211211020 232332122 464664244 580830305 1161660610 2323321220