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66230267 = 613310799
BaseRepresentation
bin1111110010100…
…1011111111011
311121121211211212
43330221133323
5113423332032
610323313335
71432643105
oct374513773
9147554755
1066230267
1134426864
121a21b84b
131094ba0c
148b20575
155c33bb2
hex3f297fb

66230267 has 4 divisors (see below), whose sum is σ = 66247200. Its totient is φ = 66213336.

The previous prime is 66230251. The next prime is 66230279. The reversal of 66230267 is 76203266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66230267 - 24 = 66230251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66230767) 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, 734 + ... + 11532.

It is an arithmetic number, because the mean of its divisors is an integer number (16561800).

Almost surely, 266230267 is an apocalyptic number.

66230267 is a deficient number, since it is larger than the sum of its proper divisors (16933).

66230267 is a wasteful number, since it uses less digits than its factorization.

66230267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16932.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 66230267 is about 8138.1980192178. The cubic root of 66230267 is about 404.5934384740.

The spelling of 66230267 in words is "sixty-six million, two hundred thirty thousand, two hundred sixty-seven".

Divisors: 1 6133 10799 66230267