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530427 = 3176809
BaseRepresentation
bin10000001011111111011
3222221121110
42001133323
5113433202
615211403
74336302
oct2013773
9887543
10530427
11332577
12216b63
13157581
14db439
15a726c
hex817fb

530427 has 4 divisors (see below), whose sum is σ = 707240. Its totient is φ = 353616.

The previous prime is 530401. The next prime is 530429. The reversal of 530427 is 724035.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 530427 - 215 = 497659 is a prime.

It is a D-number.

It is a Duffinian number.

530427 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (530429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88402 + ... + 88407.

It is an arithmetic number, because the mean of its divisors is an integer number (176810).

2530427 is an apocalyptic number.

530427 is a deficient number, since it is larger than the sum of its proper divisors (176813).

530427 is a wasteful number, since it uses less digits than its factorization.

530427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176812.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 530427 is about 728.3041946879. The cubic root of 530427 is about 80.9484506633.

The spelling of 530427 in words is "five hundred thirty thousand, four hundred twenty-seven".

Divisors: 1 3 176809 530427