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420539241 = 3212965843
BaseRepresentation
bin11001000100001…
…110101101101001
31002022022121101110
4121010032231221
51330124223431
6105421340533
713264344633
oct3104165551
91068277343
10420539241
111a64243a1
12b8a07749
13691832b5
143dbcda53
1526dbe346
hex1910eb69

420539241 has 8 divisors (see below), whose sum is σ = 560990880. Its totient is φ = 280223552.

The previous prime is 420539219. The next prime is 420539257. The reversal of 420539241 is 142935024.

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 420539241 - 25 = 420539209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420539199 and 420539208.

It is not an unprimeable number, because it can be changed into a prime (420539281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26535 + ... + 39308.

It is an arithmetic number, because the mean of its divisors is an integer number (70123860).

Almost surely, 2420539241 is an apocalyptic number.

It is an amenable number.

420539241 is a deficient number, since it is larger than the sum of its proper divisors (140451639).

420539241 is a wasteful number, since it uses less digits than its factorization.

420539241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67975.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 420539241 is about 20507.0534450954. The cubic root of 420539241 is about 749.2076022136.

The spelling of 420539241 in words is "four hundred twenty million, five hundred thirty-nine thousand, two hundred forty-one".

Divisors: 1 3 2129 6387 65843 197529 140179747 420539241