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201228368 = 24118871289
BaseRepresentation
bin10111111111010…
…00000001010000
3112000122110102112
423333220001100
5403003301433
631545004452
74662261425
oct1377500120
9460573375
10201228368
11a3651940
1257483728
13328c7453
141ca21d4c
15129ed348
hexbfe8050

201228368 has 40 divisors (see below), whose sum is σ = 426133440. Its totient is φ = 91293440.

The previous prime is 201228289. The next prime is 201228397. The reversal of 201228368 is 863822102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155468 + ... + 156756.

It is an arithmetic number, because the mean of its divisors is an integer number (10653336).

Almost surely, 2201228368 is an apocalyptic number.

It is an amenable number.

201228368 is an abundant number, since it is smaller than the sum of its proper divisors (224905072).

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

201228368 is a wasteful number, since it uses less digits than its factorization.

201228368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 201228368 is about 14185.4985108032. The cubic root of 201228368 is about 585.9983614595.

The spelling of 201228368 in words is "two hundred one million, two hundred twenty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 887 1289 1774 2578 3548 5156 7096 9757 10312 14179 14192 19514 20624 28358 39028 56716 78056 113432 156112 226864 1143343 2286686 4573372 9146744 12576773 18293488 25153546 50307092 100614184 201228368