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200215132 = 22135372647
BaseRepresentation
bin10111110111100…
…00101001011100
3111221201222112021
423323300221130
5402223341012
631511145524
74650541405
oct1373605134
9457658467
10200215132
11a301a657
12570752a4
13326311c0
141c83a9ac
151289d007
hexbef0a5c

200215132 has 24 divisors (see below), whose sum is σ = 384453216. Its totient is φ = 90662208.

The previous prime is 200215123. The next prime is 200215139. The reversal of 200215132 is 231512002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200215139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33568 + ... + 39079.

It is an arithmetic number, because the mean of its divisors is an integer number (16018884).

Almost surely, 2200215132 is an apocalyptic number.

It is an amenable number.

200215132 is a deficient number, since it is larger than the sum of its proper divisors (184238084).

200215132 is a wasteful number, since it uses less digits than its factorization.

200215132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72717 (or 72715 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 200215132 is about 14149.7396442479. The cubic root of 200215132 is about 585.0131557662.

Adding to 200215132 its reverse (231512002), we get a palindrome (431727134).

The spelling of 200215132 in words is "two hundred million, two hundred fifteen thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 53 106 212 689 1378 2756 72647 145294 290588 944411 1888822 3777644 3850291 7700582 15401164 50053783 100107566 200215132