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307669069 is a prime number
BaseRepresentation
bin10010010101101…
…010100001001101
3210102221012121201
4102111222201031
51112230402234
650310225501
710424100241
oct2225524115
9712835551
10307669069
11148742364
1287055291
134b984706
142cc0c421
151c026314
hex1256a84d

307669069 has 2 divisors, whose sum is σ = 307669070. Its totient is φ = 307669068.

The previous prime is 307669051. The next prime is 307669093. The reversal of 307669069 is 960966703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182520100 + 125148969 = 13510^2 + 11187^2 .

It is a cyclic number.

It is not a de Polignac number, because 307669069 - 213 = 307660877 is a prime.

It is a super-2 number, since 2×3076690692 = 189320512038653522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307669039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153834534 + 153834535.

It is an arithmetic number, because the mean of its divisors is an integer number (153834535).

Almost surely, 2307669069 is an apocalyptic number.

It is an amenable number.

307669069 is a deficient number, since it is larger than the sum of its proper divisors (1).

307669069 is an equidigital number, since it uses as much as digits as its factorization.

307669069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 307669069 is about 17540.4979689859. The cubic root of 307669069 is about 675.0893847793.

The spelling of 307669069 in words is "three hundred seven million, six hundred sixty-nine thousand, sixty-nine".