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512540932 = 22128135233
BaseRepresentation
bin11110100011001…
…100000100000100
31022201102202222111
4132203030010010
52022202302212
6122505310404
715462345301
oct3643140404
91281382874
10512540932
11243352652
12123795404
1382256377
144c0dc0a8
152eee3ea7
hex1e8cc104

512540932 has 6 divisors (see below), whose sum is σ = 896946638. Its totient is φ = 256270464.

The previous prime is 512540929. The next prime is 512540933. The reversal of 512540932 is 239045215.

It can be written as a sum of positive squares in only one way, i.e., 511845376 + 695556 = 22624^2 + 834^2 .

It is a super-3 number, since 3×5125409323 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512540894 and 512540903.

It is not an unprimeable number, because it can be changed into a prime (512540933) by changing a digit.

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 as a sum of consecutive naturals, namely, 64067613 + ... + 64067620.

Almost surely, 2512540932 is an apocalyptic number.

It is an amenable number.

512540932 is a deficient number, since it is larger than the sum of its proper divisors (384405706).

512540932 is a wasteful number, since it uses less digits than its factorization.

512540932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128135237 (or 128135235 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 512540932 is about 22639.3668639386. The cubic root of 512540932 is about 800.2816362563.

The spelling of 512540932 in words is "five hundred twelve million, five hundred forty thousand, nine hundred thirty-two".

Divisors: 1 2 4 128135233 256270466 512540932