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682404031 is a prime number
BaseRepresentation
bin101000101011001…
…010100010111111
31202120001201100101
4220223022202333
52344143412111
6151414141531
722624224061
oct5053124277
91676051311
10682404031
11320221281
121706518a7
13ab4bb28a
14668b7731
153ed98bc1
hex28aca8bf

682404031 has 2 divisors, whose sum is σ = 682404032. Its totient is φ = 682404030.

The previous prime is 682404013. The next prime is 682404049. The reversal of 682404031 is 130404286.

Together with previous prime (682404013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (682404013) and next prime (682404049).

It is a cyclic number.

It is not a de Polignac number, because 682404031 - 27 = 682403903 is a prime.

It is a super-3 number, since 3×6824040313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682404071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341202015 + 341202016.

It is an arithmetic number, because the mean of its divisors is an integer number (341202016).

Almost surely, 2682404031 is an apocalyptic number.

682404031 is the 11683-rd centered decagonal number.

682404031 is a deficient number, since it is larger than the sum of its proper divisors (1).

682404031 is an equidigital number, since it uses as much as digits as its factorization.

682404031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 682404031 is about 26122.8641423562. The cubic root of 682404031 is about 880.4010013851.

The spelling of 682404031 in words is "six hundred eighty-two million, four hundred four thousand, thirty-one".