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2103232220 = 225137767603
BaseRepresentation
bin111110101011100…
…1100011011011100
312102120121021012122
41331113030123130
513301411412340
6544411322112
7103056115235
oct17527143334
95376537178
102103232220
1198a246551
124a8450338
1327698010b
1415d48c08c
15c49a4db5
hex7d5cc6dc

2103232220 has 24 divisors (see below), whose sum is σ = 4449032784. Its totient is φ = 835150976.

The previous prime is 2103232199. The next prime is 2103232277. The reversal of 2103232220 is 222323012.

It is a super-2 number, since 2×21032322202 = 8847171542492256800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381062 + ... + 386541.

It is an arithmetic number, because the mean of its divisors is an integer number (185376366).

Almost surely, 22103232220 is an apocalyptic number.

2103232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103232220 is an abundant number, since it is smaller than the sum of its proper divisors (2345800564).

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

2103232220 is a wasteful number, since it uses less digits than its factorization.

2103232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767749 (or 767747 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2103232220 is about 45861.0098013552. The cubic root of 2103232220 is about 1281.2358303569.

Adding to 2103232220 its reverse (222323012), we get a palindrome (2325555232).

The spelling of 2103232220 in words is "two billion, one hundred three million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 767603 1535206 3070412 3838015 7676030 15352060 105161611 210323222 420646444 525808055 1051616110 2103232220