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11945069 is a prime number
BaseRepresentation
bin101101100100…
…010001101101
3211110212112222
4231210101231
511024220234
61104005125
7203350163
oct55442155
924425488
1011945069
116819564
1240007a5
132622cb6
14182d233
1510ae42e
hexb6446d

11945069 has 2 divisors, whose sum is σ = 11945070. Its totient is φ = 11945068.

The previous prime is 11945051. The next prime is 11945083. The reversal of 11945069 is 96054911.

11945069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 316969 = 3410^2 + 563^2 .

It is an emirp because it is prime and its reverse (96054911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11945069 - 28 = 11944813 is a prime.

It is a super-2 number, since 2×119450692 = 285369346829522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11942069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972534 + 5972535.

It is an arithmetic number, because the mean of its divisors is an integer number (5972535).

Almost surely, 211945069 is an apocalyptic number.

It is an amenable number.

11945069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11945069 is an equidigital number, since it uses as much as digits as its factorization.

11945069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 11945069 is about 3456.1639139370. The cubic root of 11945069 is about 228.5929791251.

The spelling of 11945069 in words is "eleven million, nine hundred forty-five thousand, sixty-nine".