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30070669 is a prime number
BaseRepresentation
bin111001010110…
…1011110001101
32002120202012111
41302231132031
530144230134
62552304021
7513411406
oct162553615
962522174
1030070669
1115a795a2
12a0a2011
1362cb1c5
143dca9ad
15298ec64
hex1cad78d

30070669 has 2 divisors, whose sum is σ = 30070670. Its totient is φ = 30070668.

The previous prime is 30070661. The next prime is 30070693. The reversal of 30070669 is 96607003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29920900 + 149769 = 5470^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 30070669 - 23 = 30070661 is a prime.

It is a super-2 number, since 2×300706692 = 1808490268215122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30070669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30070661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15035334 + 15035335.

It is an arithmetic number, because the mean of its divisors is an integer number (15035335).

Almost surely, 230070669 is an apocalyptic number.

It is an amenable number.

30070669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30070669 is an equidigital number, since it uses as much as digits as its factorization.

30070669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 30070669 is about 5483.6729479428. The cubic root of 30070669 is about 310.9670426161.

The spelling of 30070669 in words is "thirty million, seventy thousand, six hundred sixty-nine".