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8130329 is a prime number
BaseRepresentation
bin11111000000111100011001
3120022001201022
4133000330121
54040132304
6450132225
7126051404
oct37007431
916261638
108130329
114653489
122881075
1318b885c
141118d3b
15aa8ebe
hex7c0f19

8130329 has 2 divisors, whose sum is σ = 8130330. Its totient is φ = 8130328.

The previous prime is 8130319. The next prime is 8130337. The reversal of 8130329 is 9230318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 1054729 = 2660^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 8130329 - 24 = 8130313 is a prime.

It is a super-2 number, since 2×81303292 = 132204499296482, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8130298 and 8130307.

It is not a weakly prime, because it can be changed into another prime (8130319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065164 + 4065165.

It is an arithmetic number, because the mean of its divisors is an integer number (4065165).

Almost surely, 28130329 is an apocalyptic number.

It is an amenable number.

8130329 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130329 is an equidigital number, since it uses as much as digits as its factorization.

8130329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 8130329 is about 2851.3731779618. The cubic root of 8130329 is about 201.0802300113.

The spelling of 8130329 in words is "eight million, one hundred thirty thousand, three hundred twenty-nine".