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30896669 is a prime number
BaseRepresentation
bin111010111011…
…1001000011101
32011010201021002
41311313020131
530402143134
63022120045
7523421516
oct165671035
964121232
1030896669
1116493141
12a420025
13652a16b
144163a0d
152aa487e
hex1d7721d

30896669 has 2 divisors, whose sum is σ = 30896670. Its totient is φ = 30896668.

The previous prime is 30896647. The next prime is 30896689. The reversal of 30896669 is 96669803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29019769 + 1876900 = 5387^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 30896669 - 216 = 30831133 is a prime.

It is a super-2 number, since 2×308966692 = 1909208310591122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30896609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15448334 + 15448335.

It is an arithmetic number, because the mean of its divisors is an integer number (15448335).

Almost surely, 230896669 is an apocalyptic number.

It is an amenable number.

30896669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30896669 is an equidigital number, since it uses as much as digits as its factorization.

30896669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 30896669 is about 5558.4772195269. The cubic root of 30896669 is about 313.7886422990.

The spelling of 30896669 in words is "thirty million, eight hundred ninety-six thousand, six hundred sixty-nine".