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4442342420 = 2251713065713
BaseRepresentation
bin1000010001100100…
…01100010000010100
3102110121001101011202
410020302030100110
533044214424140
62012450452032
7215041200425
oct41062142024
912417041152
104442342420
11197a64a67a
12a3b894018
1355a469aa9
14301dbb64c
151aeeee915
hex108c8c414

4442342420 has 24 divisors (see below), whose sum is σ = 9877679784. Its totient is φ = 1672411136.

The previous prime is 4442342419. The next prime is 4442342447. The reversal of 4442342420 is 242432444.

It can be written as a sum of positive squares in 4 ways, for example, as 831053584 + 3611288836 = 28828^2 + 60094^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6532517 + ... + 6533196.

It is an arithmetic number, because the mean of its divisors is an integer number (411569991).

Almost surely, 24442342420 is an apocalyptic number.

It is an amenable number.

4442342420 is an abundant number, since it is smaller than the sum of its proper divisors (5435337364).

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

4442342420 is a wasteful number, since it uses less digits than its factorization.

4442342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065739 (or 13065737 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 4442342420 is about 66650.8996188349. The cubic root of 4442342420 is about 1643.8821401093.

Adding to 4442342420 its reverse (242432444), we get a palindrome (4684774864).

The spelling of 4442342420 in words is "four billion, four hundred forty-two million, three hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 13065713 26131426 52262852 65328565 130657130 222117121 261314260 444234242 888468484 1110585605 2221171210 4442342420