Search a number
-
+
66498614 = 2713365377
BaseRepresentation
bin1111110110101…
…1000000110110
311122010110221122
43331223000312
5114010423424
610333143542
71435141340
oct375530066
9148113848
1066498614
113459a436
121a32abb2
1310a13bc0
148b90290
155c8845e
hex3f6b036

66498614 has 16 divisors (see below), whose sum is σ = 122767008. Its totient is φ = 26307072.

The previous prime is 66498599. The next prime is 66498617. The reversal of 66498614 is 41689466.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66498617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182507 + ... + 182870.

It is an arithmetic number, because the mean of its divisors is an integer number (7672938).

Almost surely, 266498614 is an apocalyptic number.

66498614 is a deficient number, since it is larger than the sum of its proper divisors (56268394).

66498614 is a wasteful number, since it uses less digits than its factorization.

66498614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365399.

The product of its digits is 248832, while the sum is 44.

The square root of 66498614 is about 8154.6682335948. The cubic root of 66498614 is about 405.1391362622.

The spelling of 66498614 in words is "sixty-six million, four hundred ninety-eight thousand, six hundred fourteen".

Divisors: 1 2 7 13 14 26 91 182 365377 730754 2557639 4749901 5115278 9499802 33249307 66498614