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478527427 = 768361061
BaseRepresentation
bin11100100001011…
…011111111000011
31020100102201020001
4130201123333003
51440000334202
6115252300431
714600262460
oct3441337703
91210381201
10478527427
11226130814
12114311717
13781a7631
14477a6667
152c025d87
hex1c85bfc3

478527427 has 4 divisors (see below), whose sum is σ = 546888496. Its totient is φ = 410166360.

The previous prime is 478527419. The next prime is 478527451. The reversal of 478527427 is 724725874.

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

It is a cyclic number.

It is not a de Polignac number, because 478527427 - 23 = 478527419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478527487) 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 in 3 ways as a sum of consecutive naturals, for example, 34180524 + ... + 34180537.

It is an arithmetic number, because the mean of its divisors is an integer number (136722124).

Almost surely, 2478527427 is an apocalyptic number.

478527427 is a deficient number, since it is larger than the sum of its proper divisors (68361069).

478527427 is an equidigital number, since it uses as much as digits as its factorization.

478527427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68361068.

The product of its digits is 878080, while the sum is 46.

The square root of 478527427 is about 21875.2697583367. The cubic root of 478527427 is about 782.1720235411.

The spelling of 478527427 in words is "four hundred seventy-eight million, five hundred twenty-seven thousand, four hundred twenty-seven".

Divisors: 1 7 68361061 478527427