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66244341 = 3163135469
BaseRepresentation
bin1111110010110…
…0111011110101
311121122120011010
43330230323311
5113424304331
610323502433
71433032122
oct374547365
9147576133
1066244341
1134436399
121a227a19
1310955247
148b25749
155c37e46
hex3f2cef5

66244341 has 8 divisors (see below), whose sum is σ = 88868320. Its totient is φ = 43891632.

The previous prime is 66244337. The next prime is 66244369. The reversal of 66244341 is 14344266.

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

It is not a de Polignac number, because 66244341 - 22 = 66244337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66244299 and 66244308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66248341) 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, 67246 + ... + 68223.

It is an arithmetic number, because the mean of its divisors is an integer number (11108540).

Almost surely, 266244341 is an apocalyptic number.

It is an amenable number.

66244341 is a deficient number, since it is larger than the sum of its proper divisors (22623979).

66244341 is a wasteful number, since it uses less digits than its factorization.

66244341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135635.

The product of its digits is 13824, while the sum is 30.

The square root of 66244341 is about 8139.0626610194. The cubic root of 66244341 is about 404.6220952851.

The spelling of 66244341 in words is "sixty-six million, two hundred forty-four thousand, three hundred forty-one".

Divisors: 1 3 163 489 135469 406407 22081447 66244341