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2320443420 = 223538674057
BaseRepresentation
bin1000101001001111…
…0010100000011100
312222201022201221220
42022103302200130
514223013142140
61022131053340
7111334305111
oct21223624034
95881281856
102320443420
11a90914539
12549141250
132ac982359
14180270908
15d8aadbd0
hex8a4f281c

2320443420 has 24 divisors (see below), whose sum is σ = 6497241744. Its totient is φ = 618784896.

The previous prime is 2320443401. The next prime is 2320443427. The reversal of 2320443420 is 243440232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320443427) 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, 19336969 + ... + 19337088.

It is an arithmetic number, because the mean of its divisors is an integer number (270718406).

Almost surely, 22320443420 is an apocalyptic number.

2320443420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320443420 is an abundant number, since it is smaller than the sum of its proper divisors (4176798324).

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

2320443420 is a wasteful number, since it uses less digits than its factorization.

2320443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38674069 (or 38674067 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2320443420 is about 48170.9810985826. The cubic root of 2320443420 is about 1323.9055245762.

Adding to 2320443420 its reverse (243440232), we get a palindrome (2563883652).

The spelling of 2320443420 in words is "two billion, three hundred twenty million, four hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 38674057 77348114 116022171 154696228 193370285 232044342 386740570 464088684 580110855 773481140 1160221710 2320443420