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4323112220 = 2257210940471
BaseRepresentation
bin1000000011010110…
…10111010100011100
3102011021200212002102
410001223113110130
532323204042340
61552551144232
7212062563500
oct40153272434
912137625072
104323112220
111919314219
12a07975078
1353b85238b
142d0222300
151a47ec215
hex101ad751c

4323112220 has 72 divisors (see below), whose sum is σ = 10657896480. Its totient is φ = 1468575360.

The previous prime is 4323112147. The next prime is 4323112249. The reversal of 4323112220 is 222113234.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4323112192 and 4323112201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86585 + ... + 127055.

It is an arithmetic number, because the mean of its divisors is an integer number (148026340).

Almost surely, 24323112220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4323112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5328948240).

4323112220 is an abundant number, since it is smaller than the sum of its proper divisors (6334784260).

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

4323112220 is a wasteful number, since it uses less digits than its factorization.

4323112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40603 (or 40594 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4323112220 is about 65750.3780977722. The cubic root of 4323112220 is about 1629.0415809260.

Adding to 4323112220 its reverse (222113234), we get a palindrome (4545225454).

The spelling of 4323112220 in words is "four billion, three hundred twenty-three million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 109 140 196 218 245 436 490 545 763 980 1090 1526 2180 3052 3815 5341 7630 10682 15260 21364 26705 40471 53410 80942 106820 161884 202355 283297 404710 566594 809420 1133188 1416485 1983079 2832970 3966158 4411339 5665940 7932316 8822678 9915395 17645356 19830790 22056695 30879373 39661580 44113390 61758746 88226780 123517492 154396865 216155611 308793730 432311222 617587460 864622444 1080778055 2161556110 4323112220