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518314040 = 23512957851
BaseRepresentation
bin11110111001001…
…101100000111000
31100010022002012022
4132321031200320
52030142022130
6123233134012
715562411436
oct3671154070
91303262168
10518314040
11246636012
121256ba308
13834c7cca
144cba1d56
15307847e5
hex1ee4d838

518314040 has 16 divisors (see below), whose sum is σ = 1166206680. Its totient is φ = 207325600.

The previous prime is 518314031. The next prime is 518314061. The reversal of 518314040 is 40413815.

It is a super-2 number, since 2×5183140402 = 537298888122243200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6478886 + ... + 6478965.

Almost surely, 2518314040 is an apocalyptic number.

It is an amenable number.

518314040 is an abundant number, since it is smaller than the sum of its proper divisors (647892640).

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

518314040 is a wasteful number, since it uses less digits than its factorization.

518314040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957862 (or 12957858 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 518314040 is about 22766.5113708710. The cubic root of 518314040 is about 803.2751360575.

Adding to 518314040 its reverse (40413815), we get a palindrome (558727855).

The spelling of 518314040 in words is "five hundred eighteen million, three hundred fourteen thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 12957851 25915702 51831404 64789255 103662808 129578510 259157020 518314040