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520000441 is a prime number
BaseRepresentation
bin11110111111101…
…001001110111001
31100020110202111121
4132333221032321
52031110003231
6123333225241
715612634162
oct3677511671
91306422447
10520000441
11247588034
12126192221
138396878c
144d0c0769
15309b9311
hex1efe93b9

520000441 has 2 divisors, whose sum is σ = 520000442. Its totient is φ = 520000440.

The previous prime is 520000423. The next prime is 520000451. The reversal of 520000441 is 144000025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385533225 + 134467216 = 19635^2 + 11596^2 .

It is a cyclic number.

It is not a de Polignac number, because 520000441 - 215 = 519967673 is a prime.

It is not a weakly prime, because it can be changed into another prime (520000451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260000220 + 260000221.

It is an arithmetic number, because the mean of its divisors is an integer number (260000221).

Almost surely, 2520000441 is an apocalyptic number.

It is an amenable number.

520000441 is a deficient number, since it is larger than the sum of its proper divisors (1).

520000441 is an equidigital number, since it uses as much as digits as its factorization.

520000441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 520000441 is about 22803.5181715454. The cubic root of 520000441 is about 804.1453790434.

Adding to 520000441 its reverse (144000025), we get a palindrome (664000466).

The spelling of 520000441 in words is "five hundred twenty million, four hundred forty-one", and thus it is an aban number.