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66743341 = 73316277
BaseRepresentation
bin1111111010011…
…0110000101101
311122120220122121
43332212300231
5114041241331
610342312541
71440211000
oct376466055
9148526577
1066743341
1134747295
121a428751
1310a9b402
148c15537
155cd5c11
hex3fa6c2d

66743341 has 16 divisors (see below), whose sum is σ = 80358400. Its totient is φ = 55354320.

The previous prime is 66743329. The next prime is 66743363. The reversal of 66743341 is 14334766.

It is not a de Polignac number, because 66743341 - 29 = 66742829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66743297 and 66743306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66743311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7495 + ... + 13771.

It is an arithmetic number, because the mean of its divisors is an integer number (5022400).

Almost surely, 266743341 is an apocalyptic number.

It is an amenable number.

66743341 is a deficient number, since it is larger than the sum of its proper divisors (13615059).

66743341 is an equidigital number, since it uses as much as digits as its factorization.

66743341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329 (or 6315 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 66743341 is about 8169.6597848380. The cubic root of 66743341 is about 405.6355230757.

The spelling of 66743341 in words is "sixty-six million, seven hundred forty-three thousand, three hundred forty-one".

Divisors: 1 7 31 49 217 343 1519 6277 10633 43939 194587 307573 1362109 2153011 9534763 66743341