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512434228 = 22128108557
BaseRepresentation
bin11110100010110…
…010000000110100
31022201020100121111
4132202302000310
52022140343403
6122503124404
715461422225
oct3642620064
91281210544
10512434228
1124328a469
12123743704
1382219927
144c0b124c
152eec256d
hex1e8b2034

512434228 has 6 divisors (see below), whose sum is σ = 896759906. Its totient is φ = 256217112.

The previous prime is 512434217. The next prime is 512434229. The reversal of 512434228 is 822434215.

It can be written as a sum of positive squares in only one way, i.e., 441504144 + 70930084 = 21012^2 + 8422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 512434228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512434229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64054275 + ... + 64054282.

Almost surely, 2512434228 is an apocalyptic number.

It is an amenable number.

512434228 is a deficient number, since it is larger than the sum of its proper divisors (384325678).

512434228 is a wasteful number, since it uses less digits than its factorization.

512434228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128108561 (or 128108559 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 512434228 is about 22637.0101382669. The cubic root of 512434228 is about 800.2260965111.

The spelling of 512434228 in words is "five hundred twelve million, four hundred thirty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 128108557 256217114 512434228