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512170016 = 2517941489
BaseRepresentation
bin11110100001110…
…001100000100000
31022200201221011212
4132201301200200
52022103420031
6122453325252
715456242021
oct3641614040
91280657155
10512170016
11243119a06
12123636828
13821565a7
144c042c48
152ee6e12b
hex1e871820

512170016 has 24 divisors (see below), whose sum is σ = 1067649660. Its totient is φ = 241020928.

The previous prime is 512170007. The next prime is 512170031. The reversal of 512170016 is 610071215.

It can be written as a sum of positive squares in 2 ways, for example, as 412090000 + 100080016 = 20300^2 + 10004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512169973 and 512170000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470201 + ... + 471288.

Almost surely, 2512170016 is an apocalyptic number.

It is an amenable number.

512170016 is an abundant number, since it is smaller than the sum of its proper divisors (555479644).

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

512170016 is a wasteful number, since it uses less digits than its factorization.

512170016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941516 (or 941508 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 512170016 is about 22631.1735444718. The cubic root of 512170016 is about 800.0885402004.

The spelling of 512170016 in words is "five hundred twelve million, one hundred seventy thousand, sixteen".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 941489 1882978 3765956 7531912 15063824 16005313 30127648 32010626 64021252 128042504 256085008 512170016