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420103222 = 271129109863
BaseRepresentation
bin11001000010100…
…100010000110110
31002021111110021121
4121002210100312
51330021300342
6105404134154
713260550510
oct3102442066
91067443247
10420103222
111a6156850
12b883735a
136905c9b6
143db18bb0
1526d35067
hex190a4436

420103222 has 64 divisors (see below), whose sum is σ = 821145600. Its totient is φ = 156401280.

The previous prime is 420103219. The next prime is 420103253. The reversal of 420103222 is 222301024.

It is a junction number, because it is equal to n+sod(n) for n = 420103196 and 420103205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486363 + ... + 487225.

It is an arithmetic number, because the mean of its divisors is an integer number (12830400).

Almost surely, 2420103222 is an apocalyptic number.

420103222 is a deficient number, since it is larger than the sum of its proper divisors (401042378).

420103222 is a wasteful number, since it uses less digits than its factorization.

420103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420103222 is about 20496.4197361393. The cubic root of 420103222 is about 748.9485842034.

Adding to 420103222 its reverse (222301024), we get a palindrome (642404246).

The spelling of 420103222 in words is "four hundred twenty million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 29 58 77 109 154 203 218 319 406 638 763 863 1199 1526 1726 2233 2398 3161 4466 6041 6322 8393 9493 12082 16786 18986 22127 25027 34771 44254 50054 66451 69542 94067 132902 175189 188134 243397 275297 350378 486794 550594 658469 1034737 1316938 1927079 2069474 2727943 3854158 5455886 7243159 14486318 19095601 30007373 38191202 60014746 210051611 420103222