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676161481 is a prime number
BaseRepresentation
bin101000010011010…
…110011111001001
31202010022120011211
4220103112133021
52341044131411
6151032253121
722520164162
oct5023263711
91663276154
10676161481
11317748146
1216a5411a1
13aa113a68
1465b30769
153e564221
hex284d67c9

676161481 has 2 divisors, whose sum is σ = 676161482. Its totient is φ = 676161480.

The previous prime is 676161461. The next prime is 676161511. The reversal of 676161481 is 184161676.

676161481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446941881 + 229219600 = 21141^2 + 15140^2 .

It is a cyclic number.

It is not a de Polignac number, because 676161481 - 25 = 676161449 is a prime.

It is a super-2 number, since 2×6761614812 = 914388696776226722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (676161401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338080740 + 338080741.

It is an arithmetic number, because the mean of its divisors is an integer number (338080741).

Almost surely, 2676161481 is an apocalyptic number.

It is an amenable number.

676161481 is a deficient number, since it is larger than the sum of its proper divisors (1).

676161481 is an equidigital number, since it uses as much as digits as its factorization.

676161481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 676161481 is about 26003.1052184157. The cubic root of 676161481 is about 877.7081725676.

The spelling of 676161481 in words is "six hundred seventy-six million, one hundred sixty-one thousand, four hundred eighty-one".