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518240106 = 2343199013
BaseRepresentation
bin11110111000111…
…011011101101010
31100010011022210000
4132320323131222
52030132140411
6123231403430
715561653046
oct3670733552
91303138700
10518240106
1124659550a
12125683576
13834a0467
144cb83026
153076c956
hex1ee3b76a

518240106 has 20 divisors (see below), whose sum is σ = 1161242082. Its totient is φ = 172746648.

The previous prime is 518240089. The next prime is 518240111. The reversal of 518240106 is 601042815.

518240106 is a `hidden beast` number, since 518 + 2 + 40 + 106 = 666.

It can be written as a sum of positive squares in only one way, i.e., 486599481 + 31640625 = 22059^2 + 5625^2 .

It is a super-3 number, since 3×5182401063 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 518240106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1599345 + ... + 1599668.

Almost surely, 2518240106 is an apocalyptic number.

518240106 is an abundant number, since it is smaller than the sum of its proper divisors (643001976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518240106 is a wasteful number, since it uses less digits than its factorization.

518240106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199027 (or 3199018 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 518240106 is about 22764.8875683584. The cubic root of 518240106 is about 803.2369403155.

The spelling of 518240106 in words is "five hundred eighteen million, two hundred forty thousand, one hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 3199013 6398026 9597039 19194078 28791117 57582234 86373351 172746702 259120053 518240106