Search a number
-
+
82064441 = 211388931
BaseRepresentation
bin1001110010000…
…11010000111001
312201102022020202
410321003100321
5132002030231
612050531545
72014351634
oct471032071
9181368222
1082064441
1142361258
1223596bb5
1314003c54
14ac82c1b
1573105cb
hex4e43439

82064441 has 4 divisors (see below), whose sum is σ = 82453584. Its totient is φ = 81675300.

The previous prime is 82064431. The next prime is 82064443. The reversal of 82064441 is 14446028.

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 82064441 - 222 = 77870137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82064443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194255 + ... + 194676.

It is an arithmetic number, because the mean of its divisors is an integer number (20613396).

Almost surely, 282064441 is an apocalyptic number.

It is an amenable number.

82064441 is a deficient number, since it is larger than the sum of its proper divisors (389143).

82064441 is a wasteful number, since it uses less digits than its factorization.

82064441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389142.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 82064441 is about 9058.9425983389. The cubic root of 82064441 is about 434.5619247662.

The spelling of 82064441 in words is "eighty-two million, sixty-four thousand, four hundred forty-one".

Divisors: 1 211 388931 82064441