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82981741 is a prime number
BaseRepresentation
bin1001111001000…
…11001101101101
312210010220112211
410330203031231
5132220403431
612122330421
72025222163
oct474431555
9183126484
1082981741
1142928457
1223959a11
131426562b
14b041233
1574422b1
hex4f2336d

82981741 has 2 divisors, whose sum is σ = 82981742. Its totient is φ = 82981740.

The previous prime is 82981733. The next prime is 82981751. The reversal of 82981741 is 14718928.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66748900 + 16232841 = 8170^2 + 4029^2 .

It is a cyclic number.

It is not a de Polignac number, because 82981741 - 23 = 82981733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82981694 and 82981703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82981751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41490870 + 41490871.

It is an arithmetic number, because the mean of its divisors is an integer number (41490871).

Almost surely, 282981741 is an apocalyptic number.

It is an amenable number.

82981741 is a deficient number, since it is larger than the sum of its proper divisors (1).

82981741 is an equidigital number, since it uses as much as digits as its factorization.

82981741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 40.

The square root of 82981741 is about 9109.4314312146. The cubic root of 82981741 is about 436.1750780332.

The spelling of 82981741 in words is "eighty-two million, nine hundred eighty-one thousand, seven hundred forty-one".