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530461 = 1927919
BaseRepresentation
bin10000001100000011101
3222221122201
42001200131
5113433321
615211501
74336351
oct2014035
9887581
10530461
113325a8
12216b91
131575a9
14db461
15a7291
hex8181d

530461 has 4 divisors (see below), whose sum is σ = 558400. Its totient is φ = 502524.

The previous prime is 530447. The next prime is 530501. The reversal of 530461 is 164035.

530461 = 1582 + 1592 + ... + 1762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 530461 - 25 = 530429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 27919 = 530461 / (5 + 3 + 0 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530401) 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 3 ways as a sum of consecutive naturals, for example, 13941 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (139600).

2530461 is an apocalyptic number.

530461 is the 421-st hex number.

It is an amenable number.

530461 is a deficient number, since it is larger than the sum of its proper divisors (27939).

530461 is a wasteful number, since it uses less digits than its factorization.

530461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27938.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 530461 is about 728.3275362088. The cubic root of 530461 is about 80.9501802060.

Adding to 530461 its reverse (164035), we get a palindrome (694496).

The spelling of 530461 in words is "five hundred thirty thousand, four hundred sixty-one".

Divisors: 1 19 27919 530461