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520132471 is a prime number
BaseRepresentation
bin11111000000001…
…001011101110111
31100020201110121121
4133000021131313
52031123214341
6123340124411
715614024125
oct3700113567
91306643547
10520132471
11247668251
12126236707
13839b38c1
144d116915
15309e34d1
hex1f009777

520132471 has 2 divisors, whose sum is σ = 520132472. Its totient is φ = 520132470.

The previous prime is 520132453. The next prime is 520132541. The reversal of 520132471 is 174231025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520132471 - 223 = 511743863 is a prime.

It is a super-3 number, since 3×5201324713 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520132411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260066235 + 260066236.

It is an arithmetic number, because the mean of its divisors is an integer number (260066236).

Almost surely, 2520132471 is an apocalyptic number.

520132471 is a deficient number, since it is larger than the sum of its proper divisors (1).

520132471 is an equidigital number, since it uses as much as digits as its factorization.

520132471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 520132471 is about 22806.4129358389. The cubic root of 520132471 is about 804.2134317613.

Adding to 520132471 its reverse (174231025), we get a palindrome (694363496).

The spelling of 520132471 in words is "five hundred twenty million, one hundred thirty-two thousand, four hundred seventy-one".