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4442143412 = 227222663997
BaseRepresentation
bin1000010001100010…
…11011101010110100
3102110120200021012002
410020301123222310
533044142042122
62012442314432
7215036411300
oct41061335264
912416607162
104442143412
11197a524103
12a3b7b8a18
1355a3ca335
14301d68d00
151aeeb0992
hex108c5bab4

4442143412 has 18 divisors (see below), whose sum is σ = 9042935202. Its totient is φ = 1903775664.

The previous prime is 4442143379. The next prime is 4442143417. The reversal of 4442143412 is 2143412444.

It can be written as a sum of positive squares in only one way, i.e., 3830867236 + 611276176 = 61894^2 + 24724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442143417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11331803 + ... + 11332194.

It is an arithmetic number, because the mean of its divisors is an integer number (502385289).

Almost surely, 24442143412 is an apocalyptic number.

It is an amenable number.

4442143412 is an abundant number, since it is smaller than the sum of its proper divisors (4600791790).

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

4442143412 is a wasteful number, since it uses less digits than its factorization.

4442143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22664015 (or 22664006 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 4442143412 is about 66649.4066890321. The cubic root of 4442143412 is about 1643.8575922056.

Adding to 4442143412 its reverse (2143412444), we get a palindrome (6585555856).

The spelling of 4442143412 in words is "four billion, four hundred forty-two million, one hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 22663997 45327994 90655988 158647979 317295958 634591916 1110535853 2221071706 4442143412