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2103223420 = 225353297907
BaseRepresentation
bin111110101011100…
…1010010001111100
312102120120211010201
41331113022101330
513301411122140
6544411213244
7103056050464
oct17527122174
95376524121
102103223420
1198a23a981
124a8447224
132769790cc
1415d488ba4
15c49a249a
hex7d5ca47c

2103223420 has 24 divisors (see below), whose sum is σ = 4429296144. Its totient is φ = 838903296.

The previous prime is 2103223363. The next prime is 2103223429. The reversal of 2103223420 is 243223012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103223429) 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, 141894 + ... + 156013.

It is an arithmetic number, because the mean of its divisors is an integer number (184554006).

Almost surely, 22103223420 is an apocalyptic number.

2103223420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103223420 is an abundant number, since it is smaller than the sum of its proper divisors (2326072724).

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

2103223420 is a wasteful number, since it uses less digits than its factorization.

2103223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298269 (or 298267 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2103223420 is about 45860.9138591895. The cubic root of 2103223420 is about 1281.2340434420.

Adding to 2103223420 its reverse (243223012), we get a palindrome (2346446432).

The spelling of 2103223420 in words is "two billion, one hundred three million, two hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 353 706 1412 1765 3530 7060 297907 595814 1191628 1489535 2979070 5958140 105161171 210322342 420644684 525805855 1051611710 2103223420