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420461471 = 617439277
BaseRepresentation
bin11001000011111…
…011101110011111
31002022011122201002
4121003323232133
51330114231341
6105415540515
713263602123
oct3103735637
91068148632
10420461471
111a6380a21
12b898a73b
1369156a91
143dbad583
1526da629b
hex190fbb9f

420461471 has 8 divisors (see below), whose sum is σ = 427975584. Its totient is φ = 412967520.

The previous prime is 420461453. The next prime is 420461473. The reversal of 420461471 is 174164024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420461471 - 226 = 353352607 is a prime.

It is a super-3 number, since 3×4204614713 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420461473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40685 + ... + 49961.

It is an arithmetic number, because the mean of its divisors is an integer number (53496948).

Almost surely, 2420461471 is an apocalyptic number.

420461471 is a deficient number, since it is larger than the sum of its proper divisors (7514113).

420461471 is an equidigital number, since it uses as much as digits as its factorization.

420461471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 420461471 is about 20505.1571805729. The cubic root of 420461471 is about 749.1614159036.

The spelling of 420461471 in words is "four hundred twenty million, four hundred sixty-one thousand, four hundred seventy-one".

Divisors: 1 61 743 9277 45323 565897 6892811 420461471