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530445 = 3535363
BaseRepresentation
bin10000001100000001101
3222221122010
42001200031
5113433240
615211433
74336326
oct2014015
9887563
10530445
11332593
12216b79
13157596
14db44d
15a7280
hex8180d

530445 has 8 divisors (see below), whose sum is σ = 848736. Its totient is φ = 282896.

The previous prime is 530443. The next prime is 530447. The reversal of 530445 is 544035.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (530443) and next prime (530447).

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

It is a cyclic number.

It is not a de Polignac number, because 530445 - 21 = 530443 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530445.

It is not an unprimeable number, because it can be changed into a prime (530443) 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, 17667 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (106092).

2530445 is an apocalyptic number.

It is an amenable number.

530445 is a deficient number, since it is larger than the sum of its proper divisors (318291).

530445 is a wasteful number, since it uses less digits than its factorization.

530445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35371.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 530445 is about 728.3165520569. The cubic root of 530445 is about 80.9493663127.

The spelling of 530445 in words is "five hundred thirty thousand, four hundred forty-five".

Divisors: 1 3 5 15 35363 106089 176815 530445