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82758943 is a prime number
BaseRepresentation
bin1001110111011…
…00110100011111
312202201120221001
410323230310133
5132141241233
612113451131
72023303501
oct473546437
9182646831
1082758943
1142796023
1223870aa7
13141b80b7
14adc3d71
1573eb27d
hex4eecd1f

82758943 has 2 divisors, whose sum is σ = 82758944. Its totient is φ = 82758942.

The previous prime is 82758847. The next prime is 82758947. The reversal of 82758943 is 34985728.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82758943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82758893 and 82758902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82758947) 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, 41379471 + 41379472.

It is an arithmetic number, because the mean of its divisors is an integer number (41379472).

Almost surely, 282758943 is an apocalyptic number.

82758943 is a deficient number, since it is larger than the sum of its proper divisors (1).

82758943 is an equidigital number, since it uses as much as digits as its factorization.

82758943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 82758943 is about 9097.1942377856. The cubic root of 82758943 is about 435.7843654264.

The spelling of 82758943 in words is "eighty-two million, seven hundred fifty-eight thousand, nine hundred forty-three".