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66203368 = 23711107473
BaseRepresentation
bin1111110010001…
…0111011101000
311121120110221121
43330202323220
5113422001433
610322545024
71432501510
oct374427350
9147513847
1066203368
1134408630
121a208174
131093c6ba
148b14840
155c2ac2d
hex3f22ee8

66203368 has 32 divisors (see below), whose sum is σ = 154762560. Its totient is φ = 25793280.

The previous prime is 66203299. The next prime is 66203377. The reversal of 66203368 is 86330266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53121 + ... + 54352.

It is an arithmetic number, because the mean of its divisors is an integer number (4836330).

Almost surely, 266203368 is an apocalyptic number.

It is an amenable number.

66203368 is an abundant number, since it is smaller than the sum of its proper divisors (88559192).

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

66203368 is a wasteful number, since it uses less digits than its factorization.

66203368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107497 (or 107493 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 66203368 is about 8136.5452128038. The cubic root of 66203368 is about 404.5386567098.

The spelling of 66203368 in words is "sixty-six million, two hundred three thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 107473 214946 429892 752311 859784 1182203 1504622 2364406 3009244 4728812 6018488 8275421 9457624 16550842 33101684 66203368