Search a number
-
+
65444113 = 719492061
BaseRepresentation
bin1111100110100…
…1100100010001
311120010220110001
43321221210101
5113223202423
610254410001
71423160110
oct371514421
9146126401
1065444113
1133a3a149
1219b00901
1310734c37
148997c77
155b2acad
hex3e69911

65444113 has 8 divisors (see below), whose sum is σ = 78729920. Its totient is φ = 53142480.

The previous prime is 65444087. The next prime is 65444123. The reversal of 65444113 is 31144456.

65444113 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 65444113 - 25 = 65444081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65444123) 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, 245898 + ... + 246163.

It is an arithmetic number, because the mean of its divisors is an integer number (9841240).

Almost surely, 265444113 is an apocalyptic number.

It is an amenable number.

65444113 is a deficient number, since it is larger than the sum of its proper divisors (13285807).

65444113 is a wasteful number, since it uses less digits than its factorization.

65444113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492087.

The product of its digits is 5760, while the sum is 28.

The square root of 65444113 is about 8089.7535809195. The cubic root of 65444113 is about 402.9862195043.

Adding to 65444113 its reverse (31144456), we get a palindrome (96588569).

The spelling of 65444113 in words is "sixty-five million, four hundred forty-four thousand, one hundred thirteen".

Divisors: 1 7 19 133 492061 3444427 9349159 65444113