Search a number
-
+
65982093 = 321994031
BaseRepresentation
bin1111101110110…
…0111010001101
311121011020102020
43323230322031
5113342411333
610314120353
71430560422
oct373547215
9147136366
1065982093
1134277361
121a1200b9
1310892a78
148a97d49
155bd53b3
hex3eece8d

65982093 has 4 divisors (see below), whose sum is σ = 87976128. Its totient is φ = 43988060.

The previous prime is 65982029. The next prime is 65982097. The reversal of 65982093 is 39028956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65982093 - 26 = 65982029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65982097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10997013 + ... + 10997018.

It is an arithmetic number, because the mean of its divisors is an integer number (21994032).

Almost surely, 265982093 is an apocalyptic number.

It is an amenable number.

65982093 is a deficient number, since it is larger than the sum of its proper divisors (21994035).

65982093 is a wasteful number, since it uses less digits than its factorization.

65982093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994034.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 65982093 is about 8122.9362302064. The cubic root of 65982093 is about 404.0874500265.

The spelling of 65982093 in words is "sixty-five million, nine hundred eighty-two thousand, ninety-three".

Divisors: 1 3 21994031 65982093