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530517 = 31361223
BaseRepresentation
bin10000001100001010101
3222221201210
42001201111
5113434032
615212033
74336461
oct2014125
9887653
10530517
11332649
12217019
13157620
14db4a1
15a72cc
hex81855

530517 has 16 divisors (see below), whose sum is σ = 777728. Its totient is φ = 319680.

The previous prime is 530513. The next prime is 530527. The reversal of 530517 is 715035.

It is a happy number.

It is not a de Polignac number, because 530517 - 22 = 530513 is a prime.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 530493 and 530502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2268 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (48608).

2530517 is an apocalyptic number.

It is an amenable number.

530517 is a deficient number, since it is larger than the sum of its proper divisors (247211).

530517 is a wasteful number, since it uses less digits than its factorization.

530517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 530517 is about 728.3659794362. The cubic root of 530517 is about 80.9530287036.

The spelling of 530517 in words is "five hundred thirty thousand, five hundred seventeen".

Divisors: 1 3 13 39 61 183 223 669 793 2379 2899 8697 13603 40809 176839 530517