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4226993 is a prime number
BaseRepresentation
bin10000000111111110110001
321221202100022
4100013332301
52040230433
6230333225
750633411
oct20077661
97852308
104226993
112427891
1214ba215
13b4cca4
147c0641
15587698
hex407fb1

4226993 has 2 divisors, whose sum is σ = 4226994. Its totient is φ = 4226992.

The previous prime is 4226939. The next prime is 4227023. The reversal of 4226993 is 3996224.

Together with previous prime (4226939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4129024 + 97969 = 2032^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 4226993 - 216 = 4161457 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 4 + 211 + 221 + 64 + 93 + 96 + 313 .

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4226903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113496 + 2113497.

It is an arithmetic number, because the mean of its divisors is an integer number (2113497).

Almost surely, 24226993 is an apocalyptic number.

It is an amenable number.

4226993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4226993 is an equidigital number, since it uses as much as digits as its factorization.

4226993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 4226993 is about 2055.9652234413. The cubic root of 4226993 is about 161.6877718340.

The spelling of 4226993 in words is "four million, two hundred twenty-six thousand, nine hundred ninety-three".