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7055189 is a prime number
BaseRepresentation
bin11010111010011101010101
3111021102220022
4122322131111
53301231224
6411114525
7113653031
oct32723525
914242808
107055189
113a89739
122442a45
13160038b
14d191c1
1594565e
hex6ba755

7055189 has 2 divisors, whose sum is σ = 7055190. Its totient is φ = 7055188.

The previous prime is 7055183. The next prime is 7055203. The reversal of 7055189 is 9815507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6932689 + 122500 = 2633^2 + 350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7055189 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7055183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3527594 + 3527595.

It is an arithmetic number, because the mean of its divisors is an integer number (3527595).

Almost surely, 27055189 is an apocalyptic number.

It is an amenable number.

7055189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7055189 is an equidigital number, since it uses as much as digits as its factorization.

7055189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 7055189 is about 2656.1605749653. The cubic root of 7055189 is about 191.7945302663.

The spelling of 7055189 in words is "seven million, fifty-five thousand, one hundred eighty-nine".