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66301022 = 2612232437
BaseRepresentation
bin1111110011101…
…0110001011110
311121202102220102
43330322301132
5113433113042
610325021102
71433356304
oct374726136
9147672812
1066301022
1134474a37
121a254792
1310974c98
148b3c274
155c49b32
hex3f3ac5e

66301022 has 16 divisors (see below), whose sum is σ = 101576832. Its totient is φ = 32447520.

The previous prime is 66301021. The next prime is 66301031. The reversal of 66301022 is 22010366.

It is a junction number, because it is equal to n+sod(n) for n = 66300985 and 66301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66301021) by changing a digit.

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, 25988 + ... + 28424.

It is an arithmetic number, because the mean of its divisors is an integer number (6348552).

Almost surely, 266301022 is an apocalyptic number.

66301022 is a deficient number, since it is larger than the sum of its proper divisors (35275810).

66301022 is a wasteful number, since it uses less digits than its factorization.

66301022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 66301022 is about 8142.5439513705. The cubic root of 66301022 is about 404.7374653760.

Adding to 66301022 its reverse (22010366), we get a palindrome (88311388).

The spelling of 66301022 in words is "sixty-six million, three hundred one thousand, twenty-two".

Divisors: 1 2 61 122 223 446 2437 4874 13603 27206 148657 297314 543451 1086902 33150511 66301022