Search a number
-
+
66097068 = 2238216709
BaseRepresentation
bin1111110000100…
…0111110101100
311121101002010120
43330020332230
5113410101233
610320404540
71431546552
oct374107654
9147332116
1066097068
1134345784
121a176750
13109031bb
148ac7bd2
155c094b3
hex3f08fac

66097068 has 24 divisors (see below), whose sum is σ = 154437360. Its totient is φ = 22002240.

The previous prime is 66097049. The next prime is 66097069. The reversal of 66097068 is 86079066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66097069) 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, 6498 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (6434890).

Almost surely, 266097068 is an apocalyptic number.

It is an amenable number.

66097068 is an abundant number, since it is smaller than the sum of its proper divisors (88340292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66097068 is a wasteful number, since it uses less digits than its factorization.

66097068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537 (or 7535 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 66097068 is about 8130.0103320968. The cubic root of 66097068 is about 404.3220237458.

The spelling of 66097068 in words is "sixty-six million, ninety-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 821 1642 2463 3284 4926 6709 9852 13418 20127 26836 40254 80508 5508089 11016178 16524267 22032356 33048534 66097068