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530465 = 5138161
BaseRepresentation
bin10000001100000100001
3222221122212
42001200201
5113433330
615211505
74336355
oct2014041
9887585
10530465
11332601
12216b95
131575b0
14db465
15a7295
hex81821

530465 has 8 divisors (see below), whose sum is σ = 685608. Its totient is φ = 391680.

The previous prime is 530447. The next prime is 530501. The reversal of 530465 is 564035.

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 528529 = 44^2 + 727^2 .

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

It is not a de Polignac number, because 530465 - 26 = 530401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (85701).

2530465 is an apocalyptic number.

It is an amenable number.

530465 is a deficient number, since it is larger than the sum of its proper divisors (155143).

530465 is a wasteful number, since it uses less digits than its factorization.

530465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 530465 is about 728.3302822209. The cubic root of 530465 is about 80.9503836768.

The spelling of 530465 in words is "five hundred thirty thousand, four hundred sixty-five".

Divisors: 1 5 13 65 8161 40805 106093 530465