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82795481 is a prime number
BaseRepresentation
bin1001110111101…
…01101111011001
312202210110001022
410323311233121
5132143423411
612114332225
72023515146
oct473655731
9182713038
1082795481
114281051a
122388a075
13141cb912
14add33cd
157406edb
hex4ef5bd9

82795481 has 2 divisors, whose sum is σ = 82795482. Its totient is φ = 82795480.

The previous prime is 82795459. The next prime is 82795519. The reversal of 82795481 is 18459728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 16128256 = 8165^2 + 4016^2 .

It is a cyclic number.

It is not a de Polignac number, because 82795481 - 214 = 82779097 is a prime.

It is a super-2 number, since 2×827954812 = 13710183348042722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82795411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41397740 + 41397741.

It is an arithmetic number, because the mean of its divisors is an integer number (41397741).

Almost surely, 282795481 is an apocalyptic number.

It is an amenable number.

82795481 is a deficient number, since it is larger than the sum of its proper divisors (1).

82795481 is an equidigital number, since it uses as much as digits as its factorization.

82795481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The square root of 82795481 is about 9099.2022177771. The cubic root of 82795481 is about 435.8484887942.

The spelling of 82795481 in words is "eighty-two million, seven hundred ninety-five thousand, four hundred eighty-one".