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520350349 is a prime number
BaseRepresentation
bin11111000000111…
…110101010001101
31100021010112111011
4133000332222031
52031202202344
6123344525221
715615622261
oct3700765215
91307115434
10520350349
112477a6a12
12126320811
1383a5bb1c
144d1720a1
1530a37d34
hex1f03ea8d

520350349 has 2 divisors, whose sum is σ = 520350350. Its totient is φ = 520350348.

The previous prime is 520350319. The next prime is 520350403. The reversal of 520350349 is 943053025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 513022500 + 7327849 = 22650^2 + 2707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-520350349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520350349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520350319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260175174 + 260175175.

It is an arithmetic number, because the mean of its divisors is an integer number (260175175).

Almost surely, 2520350349 is an apocalyptic number.

It is an amenable number.

520350349 is a deficient number, since it is larger than the sum of its proper divisors (1).

520350349 is an equidigital number, since it uses as much as digits as its factorization.

520350349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 520350349 is about 22811.1891185006. The cubic root of 520350349 is about 804.3257082572.

The spelling of 520350349 in words is "five hundred twenty million, three hundred fifty thousand, three hundred forty-nine".