[go: up one dir, main page]

Search a number
-
+
2613389 is a prime number
BaseRepresentation
bin1001111110000010001101
311220202220012
421332002031
51132112024
6132003005
731133132
oct11760215
94822805
102613389
111525529
12a60465
137066ac
144c0589
1536950e
hex27e08d

2613389 has 2 divisors, whose sum is σ = 2613390. Its totient is φ = 2613388.

The previous prime is 2613371. The next prime is 2613397. The reversal of 2613389 is 9833162.

2613389 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., 2418025 + 195364 = 1555^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2613389 - 28 = 2613133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2613349) 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, 1306694 + 1306695.

It is an arithmetic number, because the mean of its divisors is an integer number (1306695).

22613389 is an apocalyptic number.

It is an amenable number.

2613389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613389 is an equidigital number, since it uses as much as digits as its factorization.

2613389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 2613389 is about 1616.5979710491. The cubic root of 2613389 is about 137.7425185577.

The spelling of 2613389 in words is "two million, six hundred thirteen thousand, three hundred eighty-nine".