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420558585 = 3547596537
BaseRepresentation
bin11001000100010…
…011011011111001
31002022100120220220
4121010103123321
51330130333320
6105422010253
713264455216
oct3104233371
91068316826
10420558585
111a6437987
12b8a16989
136918c045
143dbd6b0d
1526dc4e40
hex191136f9

420558585 has 16 divisors (see below), whose sum is σ = 687211776. Its totient is φ = 219525248.

The previous prime is 420558581. The next prime is 420558629. The reversal of 420558585 is 585855024.

It is a cyclic number.

It is not a de Polignac number, because 420558585 - 22 = 420558581 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420558581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297564 + ... + 298973.

It is an arithmetic number, because the mean of its divisors is an integer number (42950736).

Almost surely, 2420558585 is an apocalyptic number.

It is an amenable number.

420558585 is a deficient number, since it is larger than the sum of its proper divisors (266653191).

420558585 is a wasteful number, since it uses less digits than its factorization.

420558585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596592.

The product of its (nonzero) digits is 320000, while the sum is 42.

The square root of 420558585 is about 20507.5250822716. The cubic root of 420558585 is about 749.2190894093.

The spelling of 420558585 in words is "four hundred twenty million, five hundred fifty-eight thousand, five hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 596537 1789611 2982685 8948055 28037239 84111717 140186195 420558585