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82013401 is a prime number
BaseRepresentation
bin1001110001101…
…10110011011001
312201022201020101
410320312303121
5131443412101
612045455401
72014050061
oct470666331
9181281211
1082013401
1142326978
1223571561
1313cb6952
14ac6c3a1
157300401
hex4e36cd9

82013401 has 2 divisors, whose sum is σ = 82013402. Its totient is φ = 82013400.

The previous prime is 82013387. The next prime is 82013413. The reversal of 82013401 is 10431028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77018176 + 4995225 = 8776^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 82013401 - 25 = 82013369 is a prime.

It is not a weakly prime, because it can be changed into another prime (82013431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41006700 + 41006701.

It is an arithmetic number, because the mean of its divisors is an integer number (41006701).

Almost surely, 282013401 is an apocalyptic number.

It is an amenable number.

82013401 is a deficient number, since it is larger than the sum of its proper divisors (1).

82013401 is an equidigital number, since it uses as much as digits as its factorization.

82013401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 82013401 is about 9056.1250543486. The cubic root of 82013401 is about 434.4718141155.

Adding to 82013401 its reverse (10431028), we get a palindrome (92444429).

The spelling of 82013401 in words is "eighty-two million, thirteen thousand, four hundred one".