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520089 = 3533271
BaseRepresentation
bin1111110111110011001
3222102102120
41332332121
5113120324
615051453
74264203
oct1767631
9872376
10520089
11325829
12210b89
1315295b
14d7773
15a4179
hex7ef99

520089 has 8 divisors (see below), whose sum is σ = 706752. Its totient is φ = 340080.

The previous prime is 520073. The next prime is 520103. The reversal of 520089 is 980025.

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

It is not a de Polignac number, because 520089 - 24 = 520073 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520089.

It is not an unprimeable number, because it can be changed into a prime (520019) 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, 1477 + ... + 1794.

It is an arithmetic number, because the mean of its divisors is an integer number (88344).

2520089 is an apocalyptic number.

It is an amenable number.

520089 is a deficient number, since it is larger than the sum of its proper divisors (186663).

520089 is a wasteful number, since it uses less digits than its factorization.

520089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 520089 is about 721.1719628494. The cubic root of 520089 is about 80.4191026613.

The spelling of 520089 in words is "five hundred twenty thousand, eighty-nine".

Divisors: 1 3 53 159 3271 9813 173363 520089