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518341061 = 7210578389
BaseRepresentation
bin11110111001010…
…100000111000101
31100010100110021002
4132321110013011
52030143403221
6123233503045
715562553300
oct3671240705
91303313232
10518341061
11246654347
12125711a85
13835073b4
144cbabb37
153078c80b
hex1ee541c5

518341061 has 6 divisors (see below), whose sum is σ = 602968230. Its totient is φ = 444292296.

The previous prime is 518341027. The next prime is 518341079. The reversal of 518341061 is 160143815.

It can be written as a sum of positive squares in only one way, i.e., 399400225 + 118940836 = 19985^2 + 10906^2 .

It is a de Polignac number, because none of the positive numbers 2k-518341061 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 (518341091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5289146 + ... + 5289243.

It is an arithmetic number, because the mean of its divisors is an integer number (100494705).

Almost surely, 2518341061 is an apocalyptic number.

It is an amenable number.

518341061 is a deficient number, since it is larger than the sum of its proper divisors (84627169).

518341061 is a wasteful number, since it uses less digits than its factorization.

518341061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578403 (or 10578396 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 518341061 is about 22767.1048005670. The cubic root of 518341061 is about 803.2890947251.

Adding to 518341061 its reverse (160143815), we get a palindrome (678484876).

The spelling of 518341061 in words is "five hundred eighteen million, three hundred forty-one thousand, sixty-one".

Divisors: 1 7 49 10578389 74048723 518341061