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512434768 = 2432027173
BaseRepresentation
bin11110100010110…
…010001001010000
31022201020101100111
4132202302021100
52022140403033
6122503131104
715461423626
oct3642621120
91281211314
10512434768
1124328a90a
12123743a94
1382219c51
144c0b1516
152eec27cd
hex1e8b2250

512434768 has 10 divisors (see below), whose sum is σ = 992842394. Its totient is φ = 256217376.

The previous prime is 512434763. The next prime is 512434781. The reversal of 512434768 is 867434215.

It can be written as a sum of positive squares in only one way, i.e., 473845824 + 38588944 = 21768^2 + 6212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 512434768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512434763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16013571 + ... + 16013602.

Almost surely, 2512434768 is an apocalyptic number.

It is an amenable number.

512434768 is a deficient number, since it is larger than the sum of its proper divisors (480407626).

512434768 is a wasteful number, since it uses less digits than its factorization.

512434768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32027181 (or 32027175 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 512434768 is about 22637.0220656340. The cubic root of 512434768 is about 800.2263776021.

The spelling of 512434768 in words is "five hundred twelve million, four hundred thirty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32027173 64054346 128108692 256217384 512434768