[go: up one dir, main page]

Search a number
-
+
26047289 is a prime number
BaseRepresentation
bin110001101011…
…1001100111001
31211000100011102
41203113030321
523132003124
62330141145
7434253422
oct143271471
954010142
1026047289
1113780794
1288817b5
13551cac8
143660649
152447aae
hex18d7339

26047289 has 2 divisors, whose sum is σ = 26047290. Its totient is φ = 26047288.

The previous prime is 26047279. The next prime is 26047337. The reversal of 26047289 is 98274062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18207289 + 7840000 = 4267^2 + 2800^2 .

It is a cyclic number.

It is not a de Polignac number, because 26047289 - 28 = 26047033 is a prime.

It is a super-2 number, since 2×260472892 = 1356922528499042, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (26047279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13023644 + 13023645.

It is an arithmetic number, because the mean of its divisors is an integer number (13023645).

Almost surely, 226047289 is an apocalyptic number.

It is an amenable number.

26047289 is a deficient number, since it is larger than the sum of its proper divisors (1).

26047289 is an equidigital number, since it uses as much as digits as its factorization.

26047289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 26047289 is about 5103.6544749816. The cubic root of 26047289 is about 296.4291050817.

The spelling of 26047289 in words is "twenty-six million, forty-seven thousand, two hundred eighty-nine".