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82181483 is a prime number
BaseRepresentation
bin1001110010111…
…11110101101011
312201122020210122
410321133311223
5132014301413
612053233455
72015350106
oct471376553
9181566718
1082181483
114243118a
122363288b
13140452c7
14acb373d
157335108
hex4e5fd6b

82181483 has 2 divisors, whose sum is σ = 82181484. Its totient is φ = 82181482.

The previous prime is 82181467. The next prime is 82181497. The reversal of 82181483 is 38418128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82181483 - 24 = 82181467 is a prime.

It is a super-2 number, since 2×821814832 = 13507592296158578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82181413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41090741 + 41090742.

It is an arithmetic number, because the mean of its divisors is an integer number (41090742).

Almost surely, 282181483 is an apocalyptic number.

82181483 is a deficient number, since it is larger than the sum of its proper divisors (1).

82181483 is an equidigital number, since it uses as much as digits as its factorization.

82181483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 35.

The square root of 82181483 is about 9065.4003221038. The cubic root of 82181483 is about 434.7684203574.

The spelling of 82181483 in words is "eighty-two million, one hundred eighty-one thousand, four hundred eighty-three".