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520477017 = 31311324369
BaseRepresentation
bin11111000001011…
…101100101011001
31100021100222020120
4133001131211121
52031220231032
6123351343453
715616660464
oct3701354531
91307328216
10520477017
112478830a5
12126381b89
1383aa4688
144d1a62db
1530a6062c
hex1f05d959

520477017 has 8 divisors (see below), whose sum is σ = 699267360. Its totient is φ = 344335680.

The previous prime is 520477003. The next prime is 520477019. The reversal of 520477017 is 710774025.

It is a happy number.

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

It is not a de Polignac number, because 520477017 - 218 = 520214873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520477019) 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, 661792 + ... + 662577.

It is an arithmetic number, because the mean of its divisors is an integer number (87408420).

Almost surely, 2520477017 is an apocalyptic number.

It is an amenable number.

520477017 is a deficient number, since it is larger than the sum of its proper divisors (178790343).

520477017 is a wasteful number, since it uses less digits than its factorization.

520477017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324503.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 520477017 is about 22813.9653940300. The cubic root of 520477017 is about 804.3909681749.

The spelling of 520477017 in words is "five hundred twenty million, four hundred seventy-seven thousand, seventeen".

Divisors: 1 3 131 393 1324369 3973107 173492339 520477017