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520083 = 3257787
BaseRepresentation
bin1111110111110010011
3222102102100
41332332103
5113120313
615051443
74264164
oct1767623
9872370
10520083
11325823
12210b83
13152955
14d776b
15a4173
hex7ef93

520083 has 6 divisors (see below), whose sum is σ = 751244. Its totient is φ = 346716.

The previous prime is 520073. The next prime is 520103. The reversal of 520083 is 380025.

It is not a de Polignac number, because 520083 - 24 = 520067 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520083.

It is not an unprimeable number, because it can be changed into a prime (520043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28885 + ... + 28902.

2520083 is an apocalyptic number.

520083 is a deficient number, since it is larger than the sum of its proper divisors (231161).

520083 is a wasteful number, since it uses less digits than its factorization.

520083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57793 (or 57790 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 520083 is about 721.1678029419. The cubic root of 520083 is about 80.4187934088.

The spelling of 520083 in words is "five hundred twenty thousand, eighty-three".

Divisors: 1 3 9 57787 173361 520083