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520115201 is a prime number
BaseRepresentation
bin11111000000000…
…101010000000001
31100020200120220222
4133000011100001
52031122141301
6123335512425
715613622564
oct3700052001
91306616828
10520115201
11247656281
12126228715
13839a8a98
144d1104db
15309dd31b
hex1f005401

520115201 has 2 divisors, whose sum is σ = 520115202. Its totient is φ = 520115200.

The previous prime is 520115159. The next prime is 520115231. The reversal of 520115201 is 102511025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468289600 + 51825601 = 21640^2 + 7199^2 .

It is a cyclic number.

It is not a de Polignac number, because 520115201 - 26 = 520115137 is a prime.

It is a super-2 number, since 2×5201152012 = 541039644622540802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520115201.

It is not a weakly prime, because it can be changed into another prime (520115231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260057600 + 260057601.

It is an arithmetic number, because the mean of its divisors is an integer number (260057601).

Almost surely, 2520115201 is an apocalyptic number.

It is an amenable number.

520115201 is a deficient number, since it is larger than the sum of its proper divisors (1).

520115201 is an equidigital number, since it uses as much as digits as its factorization.

520115201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 520115201 is about 22806.0343111204. The cubic root of 520115201 is about 804.2045308751.

Adding to 520115201 its reverse (102511025), we get a palindrome (622626226).

It can be divided in two parts, 5201 and 15201, that added together give a palindrome (20402).

The spelling of 520115201 in words is "five hundred twenty million, one hundred fifteen thousand, two hundred one".