Search a number
-
+
82764413 is a prime number
BaseRepresentation
bin1001110111011…
…10001001111101
312202201212102122
410323232021331
5132141430123
612113532325
72023325444
oct473561175
9182655378
1082764413
114279a146
12238740a5
13141ba734
14adc5d5b
1573ecbc8
hex4eee27d

82764413 has 2 divisors, whose sum is σ = 82764414. Its totient is φ = 82764412.

The previous prime is 82764403. The next prime is 82764431. The reversal of 82764413 is 31446728.

Together with next prime (82764431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54493924 + 28270489 = 7382^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 82764413 - 210 = 82763389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82764403) 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 as a sum of consecutive naturals, namely, 41382206 + 41382207.

It is an arithmetic number, because the mean of its divisors is an integer number (41382207).

Almost surely, 282764413 is an apocalyptic number.

It is an amenable number.

82764413 is a deficient number, since it is larger than the sum of its proper divisors (1).

82764413 is an equidigital number, since it uses as much as digits as its factorization.

82764413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 82764413 is about 9097.4948749642. The cubic root of 82764413 is about 435.7939663544.

The spelling of 82764413 in words is "eighty-two million, seven hundred sixty-four thousand, four hundred thirteen".