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66062413 is a prime number
BaseRepresentation
bin1111110000000…
…0100001001101
311121022022121001
43330000201031
5113402444123
610315540301
71431343534
oct374004115
9147268531
1066062413
113432173a
121a15a691
13108c04b1
148ab931b
155bee0ad
hex3f0084d

66062413 has 2 divisors, whose sum is σ = 66062414. Its totient is φ = 66062412.

The previous prime is 66062389. The next prime is 66062419. The reversal of 66062413 is 31426066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 2350089 = 7982^2 + 1533^2 .

It is a cyclic number.

It is not a de Polignac number, because 66062413 - 29 = 66061901 is a prime.

It is a super-2 number, since 2×660624132 = 8728484822765138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66062419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33031206 + 33031207.

It is an arithmetic number, because the mean of its divisors is an integer number (33031207).

Almost surely, 266062413 is an apocalyptic number.

It is an amenable number.

66062413 is a deficient number, since it is larger than the sum of its proper divisors (1).

66062413 is an equidigital number, since it uses as much as digits as its factorization.

66062413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66062413 is about 8127.8787515563. The cubic root of 66062413 is about 404.2513487537.

Adding to 66062413 its reverse (31426066), we get a palindrome (97488479).

The spelling of 66062413 in words is "sixty-six million, sixty-two thousand, four hundred thirteen".