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8870993 is a prime number
BaseRepresentation
bin100001110101…
…110001010001
3121200200201022
4201311301101
54232332433
6514045225
7135254645
oct41656121
917620638
108870993
1150099aa
122b79815
131ab7a11
14126cc25
15ba3698
hex875c51

8870993 has 2 divisors, whose sum is σ = 8870994. Its totient is φ = 8870992.

The previous prime is 8870987. The next prime is 8870999. The reversal of 8870993 is 3990788.

It is a balanced prime because it is at equal distance from previous prime (8870987) and next prime (8870999).

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 8464 = 2977^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 8870993 - 28 = 8870737 is a prime.

It is not a weakly prime, because it can be changed into another prime (8870999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4435496 + 4435497.

It is an arithmetic number, because the mean of its divisors is an integer number (4435497).

Almost surely, 28870993 is an apocalyptic number.

It is an amenable number.

8870993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8870993 is an equidigital number, since it uses as much as digits as its factorization.

8870993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8870993 is about 2978.4212260861. The cubic root of 8870993 is about 207.0097236130.

The spelling of 8870993 in words is "eight million, eight hundred seventy thousand, nine hundred ninety-three".