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420843483 = 321719712039
BaseRepresentation
bin11001000101011…
…000111111011011
31002022220001201200
4121011120333123
51330213442413
6105432045243
713300052634
oct3105307733
91068801650
10420843483
111a6611a35
12b8b33823
136925b918
143dc6c88b
1526e2e573
hex19158fdb

420843483 has 48 divisors (see below), whose sum is σ = 687398400. Its totient is φ = 246516480.

The previous prime is 420843463. The next prime is 420843487. The reversal of 420843483 is 384348024.

It is not a de Polignac number, because 420843483 - 29 = 420842971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420843487) 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, 205378 + ... + 207416.

It is an arithmetic number, because the mean of its divisors is an integer number (14320800).

Almost surely, 2420843483 is an apocalyptic number.

420843483 is a deficient number, since it is larger than the sum of its proper divisors (266554917).

420843483 is a wasteful number, since it uses less digits than its factorization.

420843483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 420843483 is about 20514.4700882085. The cubic root of 420843483 is about 749.3882317886.

The spelling of 420843483 in words is "four hundred twenty million, eight hundred forty-three thousand, four hundred eighty-three".

Divisors: 1 3 9 17 19 51 57 71 153 171 213 323 639 969 1207 1349 2039 2907 3621 4047 6117 10863 12141 18351 22933 34663 38741 68799 103989 116223 144769 206397 311967 348669 434307 658597 1302921 1975791 2461073 2750611 5927373 7383219 8251833 22149657 24755499 46760387 140281161 420843483