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513242201 = 919558479
BaseRepresentation
bin11110100101110…
…111010001011001
31022202202101221102
4132211313101121
52022342222301
6122532321145
715501325643
oct3645672131
91282671842
10513242201
1124379150a
12123a731b5
1382440614
144c241893
15300d1b6b
hex1e977459

513242201 has 4 divisors (see below), whose sum is σ = 513801600. Its totient is φ = 512682804.

The previous prime is 513242183. The next prime is 513242237. The reversal of 513242201 is 102242315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-513242201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513242251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278321 + ... + 280158.

It is an arithmetic number, because the mean of its divisors is an integer number (128450400).

Almost surely, 2513242201 is an apocalyptic number.

It is an amenable number.

513242201 is a deficient number, since it is larger than the sum of its proper divisors (559399).

513242201 is an equidigital number, since it uses as much as digits as its factorization.

513242201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559398.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 513242201 is about 22654.8493925694. The cubic root of 513242201 is about 800.6464571632.

Adding to 513242201 its reverse (102242315), we get a palindrome (615484516).

The spelling of 513242201 in words is "five hundred thirteen million, two hundred forty-two thousand, two hundred one".

Divisors: 1 919 558479 513242201