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520142335 = 5313355757
BaseRepresentation
bin11111000000001…
…011110111111111
31100020201222010221
4133000023313333
52031124023320
6123340242211
715614064646
oct3700136777
91306658127
10520142335
112476746a9
12126240367
13839b823b
144d11a35d
15309e63aa
hex1f00bdff

520142335 has 8 divisors (see below), whose sum is σ = 644305536. Its totient is φ = 402690720.

The previous prime is 520142333. The next prime is 520142339. The reversal of 520142335 is 533241025.

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

It is not a de Polignac number, because 520142335 - 21 = 520142333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520142333) 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, 1677724 + ... + 1678033.

It is an arithmetic number, because the mean of its divisors is an integer number (80538192).

Almost surely, 2520142335 is an apocalyptic number.

520142335 is a deficient number, since it is larger than the sum of its proper divisors (124163201).

520142335 is a wasteful number, since it uses less digits than its factorization.

520142335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355793.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 520142335 is about 22806.6291897773. The cubic root of 520142335 is about 804.2185155374.

The spelling of 520142335 in words is "five hundred twenty million, one hundred forty-two thousand, three hundred thirty-five".

Divisors: 1 5 31 155 3355757 16778785 104028467 520142335