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66232301 = 166339827
BaseRepresentation
bin1111110010100…
…1111111101101
311121121221122012
43330221333231
5113423413201
610323331005
71432652042
oct374517755
9147557565
1066232301
1134428343
121a220a65
131094c915
148b211c9
155c345bb
hex3f29fed

66232301 has 4 divisors (see below), whose sum is σ = 66273792. Its totient is φ = 66190812.

The previous prime is 66232297. The next prime is 66232303. The reversal of 66232301 is 10323266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66232301 - 22 = 66232297 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 (66232303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18251 + ... + 21576.

It is an arithmetic number, because the mean of its divisors is an integer number (16568448).

Almost surely, 266232301 is an apocalyptic number.

It is an amenable number.

66232301 is a deficient number, since it is larger than the sum of its proper divisors (41491).

66232301 is a wasteful number, since it uses less digits than its factorization.

66232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41490.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 66232301 is about 8138.3229844975. The cubic root of 66232301 is about 404.5975802592.

Adding to 66232301 its reverse (10323266), we get a palindrome (76555567).

The spelling of 66232301 in words is "sixty-six million, two hundred thirty-two thousand, three hundred one".

Divisors: 1 1663 39827 66232301