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66341630 = 257698627
BaseRepresentation
bin1111110100010…
…0101011111110
311121211111121102
43331010223332
5113440413010
610325533102
71433615555
oct375045376
9147744542
1066341630
11344a24a3
121a274192
131098a604
148b4cd9c
155c56ba5
hex3f44afe

66341630 has 16 divisors (see below), whose sum is σ = 119584080. Its totient is φ = 26499072.

The previous prime is 66341623. The next prime is 66341641. The reversal of 66341630 is 3614366.

It is a junction number, because it is equal to n+sod(n) for n = 66341593 and 66341602.

It is a congruent number.

It is an unprimeable number.

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, 3377 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (7474005).

Almost surely, 266341630 is an apocalyptic number.

66341630 is a deficient number, since it is larger than the sum of its proper divisors (53242450).

66341630 is a wasteful number, since it uses less digits than its factorization.

66341630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 66341630 is about 8145.0371392646. The cubic root of 66341630 is about 404.8200796111.

Adding to 66341630 its reverse (3614366), we get a palindrome (69955996).

The spelling of 66341630 in words is "sixty-six million, three hundred forty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 769 1538 3845 7690 8627 17254 43135 86270 6634163 13268326 33170815 66341630