Search a number
-
+
66466433 = 1143140521
BaseRepresentation
bin1111110110001…
…1001010000001
311122001211210202
43331203022001
5114003411213
610332334545
71434645455
oct375431201
9148054722
1066466433
1134578240
121a314455
1310a02367
148b82665
155c7db58
hex3f63281

66466433 has 8 divisors (see below), whose sum is σ = 74195616. Its totient is φ = 59018400.

The previous prime is 66466417. The next prime is 66466441. The reversal of 66466433 is 33466466.

66466433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66466433 - 24 = 66466417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66466493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69788 + ... + 70733.

It is an arithmetic number, because the mean of its divisors is an integer number (9274452).

Almost surely, 266466433 is an apocalyptic number.

It is an amenable number.

66466433 is a deficient number, since it is larger than the sum of its proper divisors (7729183).

66466433 is a wasteful number, since it uses less digits than its factorization.

66466433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140575.

The product of its digits is 186624, while the sum is 38.

The square root of 66466433 is about 8152.6948305453. The cubic root of 66466433 is about 405.0737720615.

It can be divided in two parts, 664664 and 33, that multiplied together give a palindrome (21933912).

The spelling of 66466433 in words is "sixty-six million, four hundred sixty-six thousand, four hundred thirty-three".

Divisors: 1 11 43 473 140521 1545731 6042403 66466433