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66241343 = 727134919
BaseRepresentation
bin1111110010110…
…0001100111111
311121122102001002
43330230030333
5113424210333
610323440515
71433020310
oct374541477
9147572032
1066241343
1134434113
121a22613b
1310953a7c
148b24607
155c370e8
hex3f2c33f

66241343 has 8 divisors (see below), whose sum is σ = 75985920. Its totient is φ = 56567160.

The previous prime is 66241339. The next prime is 66241369. The reversal of 66241343 is 34314266.

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

It is a cyclic number.

It is not a de Polignac number, because 66241343 - 22 = 66241339 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 (66241313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15563 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (9498240).

Almost surely, 266241343 is an apocalyptic number.

66241343 is a deficient number, since it is larger than the sum of its proper divisors (9744577).

66241343 is a wasteful number, since it uses less digits than its factorization.

66241343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35197.

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

The square root of 66241343 is about 8138.8784853934. The cubic root of 66241343 is about 404.6159912400.

The spelling of 66241343 in words is "sixty-six million, two hundred forty-one thousand, three hundred forty-three".

Divisors: 1 7 271 1897 34919 244433 9463049 66241343