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430111220 = 2257211172347
BaseRepresentation
bin11001101000101…
…111100111110100
31002222022220200012
4121220233213310
51340102024340
6110402435352
713441612400
oct3150574764
91088286605
10430111220
11200871a20
12100062b58
136b1550a6
14411a2100
1527b60565
hex19a2f9f4

430111220 has 144 divisors (see below), whose sum is σ = 1214160192. Its totient is φ = 126120960.

The previous prime is 430111193. The next prime is 430111223. The reversal of 430111220 is 22111034.

430111220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 430111195 and 430111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182087 + ... + 184433.

It is an arithmetic number, because the mean of its divisors is an integer number (8431668).

Almost surely, 2430111220 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 430111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607080096).

430111220 is an abundant number, since it is smaller than the sum of its proper divisors (784048972).

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

430111220 is a wasteful number, since it uses less digits than its factorization.

430111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 430111220 is about 20739.1229322746. The cubic root of 430111220 is about 754.8493010920.

Adding to 430111220 its reverse (22111034), we get a palindrome (452222254).

The spelling of 430111220 in words is "four hundred thirty million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 17 20 22 28 34 35 44 49 55 68 70 77 85 98 110 119 140 154 170 187 196 220 238 245 308 340 374 385 476 490 539 595 748 770 833 935 980 1078 1190 1309 1540 1666 1870 2156 2347 2380 2618 2695 3332 3740 4165 4694 5236 5390 6545 8330 9163 9388 10780 11735 13090 16429 16660 18326 23470 25817 26180 32858 36652 39899 45815 46940 51634 65716 79798 82145 91630 103268 115003 129085 159596 164290 180719 183260 199495 230006 258170 279293 328580 361438 398990 438889 460012 516340 558586 575015 722876 797980 877778 903595 1117172 1150030 1265033 1396465 1755556 1807190 1955051 2194445 2300060 2530066 2792930 3072223 3614380 3910102 4388890 5060132 5585860 6144446 6325165 7820204 8777780 9775255 12288892 12650330 15361115 19550510 21505561 25300660 30722230 39101020 43011122 61444460 86022244 107527805 215055610 430111220