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200242215 = 32553113743
BaseRepresentation
bin10111110111101…
…11010000100111
3111221210100200100
423323313100213
5402230222330
631511515143
74651013355
oct1373672047
9457710610
10200242215
11a3038a38
1257088ab3
1332640624
141c8467d5
15128a6060
hexbef7427

200242215 has 48 divisors (see below), whose sum is σ = 357244992. Its totient is φ = 103713792.

The previous prime is 200242193. The next prime is 200242247. The reversal of 200242215 is 512242002.

It is not a de Polignac number, because 200242215 - 25 = 200242183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269134 + ... + 269876.

It is an arithmetic number, because the mean of its divisors is an integer number (7442604).

Almost surely, 2200242215 is an apocalyptic number.

200242215 is a deficient number, since it is larger than the sum of its proper divisors (157002777).

200242215 is a wasteful number, since it uses less digits than its factorization.

200242215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 200242215 is about 14150.6966259616. The cubic root of 200242215 is about 585.0395327218.

Adding to 200242215 its reverse (512242002), we get a palindrome (712484217).

The spelling of 200242215 in words is "two hundred million, two hundred forty-two thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 45 53 113 159 265 339 477 565 743 795 1017 1695 2229 2385 3715 5085 5989 6687 11145 17967 29945 33435 39379 53901 83959 89835 118137 196895 251877 269505 354411 419795 590685 755631 1259385 1772055 3778155 4449827 13349481 22249135 40048443 66747405 200242215