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7198013 is a prime number
BaseRepresentation
bin11011011101010100111101
3111112200211002
4123131110331
53320314023
6414140045
7115116314
oct33352475
914480732
107198013
114076a79
1224b1625
1316503a4
14d5527b
15972b28
hex6dd53d

7198013 has 2 divisors, whose sum is σ = 7198014. Its totient is φ = 7198012.

The previous prime is 7197977. The next prime is 7198039. The reversal of 7198013 is 3108917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7166329 + 31684 = 2677^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 7198013 - 210 = 7196989 is a prime.

It is a super-2 number, since 2×71980132 = 103622782296338, which contains 22 as substring.

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 (7198043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3599006 + 3599007.

It is an arithmetic number, because the mean of its divisors is an integer number (3599007).

Almost surely, 27198013 is an apocalyptic number.

It is an amenable number.

7198013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7198013 is an equidigital number, since it uses as much as digits as its factorization.

7198013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 7198013 is about 2682.9112918619. The cubic root of 7198013 is about 193.0801120701.

The spelling of 7198013 in words is "seven million, one hundred ninety-eight thousand, thirteen".