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66243341 = 347349547
BaseRepresentation
bin1111110010110…
…0101100001101
311121122111210002
43330230230031
5113424241331
610323454045
71433026163
oct374545415
9147574702
1066243341
113443566a
121a227325
1310954958
148b25233
155c379cb
hex3f2cb0d

66243341 has 8 divisors (see below), whose sum is σ = 66746400. Its totient is φ = 65742768.

The previous prime is 66243313. The next prime is 66243343. The reversal of 66243341 is 14334266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-66243341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66243343) 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, 120830 + ... + 121376.

It is an arithmetic number, because the mean of its divisors is an integer number (8343300).

Almost surely, 266243341 is an apocalyptic number.

It is an amenable number.

66243341 is a deficient number, since it is larger than the sum of its proper divisors (503059).

66243341 is a wasteful number, since it uses less digits than its factorization.

66243341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 10368, while the sum is 29.

The square root of 66243341 is about 8139.0012286521. The cubic root of 66243341 is about 404.6200592665.

The spelling of 66243341 in words is "sixty-six million, two hundred forty-three thousand, three hundred forty-one".

Divisors: 1 347 349 547 121103 189809 190903 66243341