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3103032220 = 225435236899
BaseRepresentation
bin1011100011110100…
…1000001110011100
322000020220100222021
42320331020032130
522323334012340
61231524425524
7136616224111
oct27075101634
98006810867
103103032220
111352643042
127272482a4
133a5b4a252
14216186908
15132646e4a
hexb8f4839c

3103032220 has 48 divisors (see below), whose sum is σ = 6681628800. Its totient is φ = 1209854016.

The previous prime is 3103032199. The next prime is 3103032223. The reversal of 3103032220 is 222303013.

3103032220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3103032194 and 3103032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103032223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446331 + ... + 453229.

It is an arithmetic number, because the mean of its divisors is an integer number (139200600).

Almost surely, 23103032220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340814400).

3103032220 is an abundant number, since it is smaller than the sum of its proper divisors (3578596580).

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

3103032220 is a wasteful number, since it uses less digits than its factorization.

3103032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474 (or 7472 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3103032220 is about 55704.8671123090. The cubic root of 3103032220 is about 1458.5749872705.

Adding to 3103032220 its reverse (222303013), we get a palindrome (3325335233).

The spelling of 3103032220 in words is "three billion, one hundred three million, thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 523 860 1046 2092 2615 5230 6899 10460 13798 22489 27596 34495 44978 68990 89956 112445 137980 224890 296657 449780 593314 1186628 1483285 2966570 3608177 5933140 7216354 14432708 18040885 36081770 72163540 155151611 310303222 620606444 775758055 1551516110 3103032220