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66241351 = 1121532797
BaseRepresentation
bin1111110010110…
…0001101000111
311121122102001101
43330230031013
5113424210401
610323440531
71433020321
oct374541507
9147572041
1066241351
1134434120
121a226147
1310953a87
148b24611
155c37101
hex3f2c347

66241351 has 8 divisors (see below), whose sum is σ = 72322704. Its totient is φ = 60169920.

The previous prime is 66241339. The next prime is 66241369. The reversal of 66241351 is 15314266.

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 66241351 - 27 = 66241223 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 (66241321) 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, 22285 + ... + 25081.

It is an arithmetic number, because the mean of its divisors is an integer number (9040338).

Almost surely, 266241351 is an apocalyptic number.

66241351 is a deficient number, since it is larger than the sum of its proper divisors (6081353).

66241351 is a wasteful number, since it uses less digits than its factorization.

66241351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961.

The product of its digits is 4320, while the sum is 28.

The square root of 66241351 is about 8138.8789768616. The cubic root of 66241351 is about 404.6160075285.

The spelling of 66241351 in words is "sixty-six million, two hundred forty-one thousand, three hundred fifty-one".

Divisors: 1 11 2153 2797 23683 30767 6021941 66241351