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530086478 = 2265043239
BaseRepresentation
bin11111100110000…
…111101001001110
31100221110011221112
4133212013221032
52041200231403
6124333332022
716064442425
oct3746075116
91327404845
10530086478
112522468a9
12129637012
1385a8a54c
14505882bc
153180c9d8
hex1f987a4e

530086478 has 4 divisors (see below), whose sum is σ = 795129720. Its totient is φ = 265043238.

The previous prime is 530086477. The next prime is 530086547. The reversal of 530086478 is 874680035.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530086477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132521618 + ... + 132521621.

It is an arithmetic number, because the mean of its divisors is an integer number (198782430).

Almost surely, 2530086478 is an apocalyptic number.

530086478 is a deficient number, since it is larger than the sum of its proper divisors (265043242).

530086478 is a wasteful number, since it uses less digits than its factorization.

530086478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265043241.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 530086478 is about 23023.6069719755. The cubic root of 530086478 is about 809.3112460389.

The spelling of 530086478 in words is "five hundred thirty million, eighty-six thousand, four hundred seventy-eight".

Divisors: 1 2 265043239 530086478