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530415517 = 757700681
BaseRepresentation
bin11111100111010…
…111111110011101
31100222001220022011
4133213113332131
52041241244032
6124344351221
716100312632
oct3747277635
91328056264
10530415517
11252451035
12129775511
1385b74248
1450632189
1531875247
hex1f9d7f9d

530415517 has 4 divisors (see below), whose sum is σ = 531116956. Its totient is φ = 529714080.

The previous prime is 530415503. The next prime is 530415569. The reversal of 530415517 is 715514035.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197936761 + 332478756 = 14069^2 + 18234^2 .

It is a cyclic number.

It is not a de Polignac number, because 530415517 - 211 = 530413469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530413517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349584 + ... + 351097.

It is an arithmetic number, because the mean of its divisors is an integer number (132779239).

Almost surely, 2530415517 is an apocalyptic number.

It is an amenable number.

530415517 is a deficient number, since it is larger than the sum of its proper divisors (701439).

530415517 is an equidigital number, since it uses as much as digits as its factorization.

530415517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701438.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 530415517 is about 23030.7515509156. The cubic root of 530415517 is about 809.4786651893.

The spelling of 530415517 in words is "five hundred thirty million, four hundred fifteen thousand, five hundred seventeen".

Divisors: 1 757 700681 530415517