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201012222 = 23831672417
BaseRepresentation
bin10111111101100…
…11001111111110
3112000020110221010
423332303033332
5402424342342
631540220050
74660401315
oct1376631776
9460213833
10201012222
11a3514504
125739a626
133284cc58
141c9a727c
15129a929c
hexbfb33fe

201012222 has 32 divisors (see below), whose sum is σ = 409473792. Its totient is φ = 65773184.

The previous prime is 201012221. The next prime is 201012239. The reversal of 201012222 is 222210102.

It is a junction number, because it is equal to n+sod(n) for n = 201012198 and 201012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81958 + ... + 84374.

It is an arithmetic number, because the mean of its divisors is an integer number (12796056).

Almost surely, 2201012222 is an apocalyptic number.

201012222 is an abundant number, since it is smaller than the sum of its proper divisors (208461570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201012222 is a wasteful number, since it uses less digits than its factorization.

201012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201012222 is about 14177.8779089115. The cubic root of 201012222 is about 585.7884729292.

Adding to 201012222 its reverse (222210102), we get a palindrome (423222324).

The spelling of 201012222 in words is "two hundred one million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 83 166 167 249 334 498 501 1002 2417 4834 7251 13861 14502 27722 41583 83166 200611 401222 403639 601833 807278 1203666 1210917 2421834 33502037 67004074 100506111 201012222