Search a number
-
+
26361449 is a prime number
BaseRepresentation
bin110010010001…
…1111001101001
31211121022002222
41210203321221
523222031244
62341003425
7440032352
oct144437151
954538088
1026361449
1113975824
1289b3575
1355ccaba
143702d29
1524aabee
hex1923e69

26361449 has 2 divisors, whose sum is σ = 26361450. Its totient is φ = 26361448.

The previous prime is 26361421. The next prime is 26361457. The reversal of 26361449 is 94416362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26337424 + 24025 = 5132^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26361449 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (26361409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13180724 + 13180725.

It is an arithmetic number, because the mean of its divisors is an integer number (13180725).

Almost surely, 226361449 is an apocalyptic number.

It is an amenable number.

26361449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26361449 is an equidigital number, since it uses as much as digits as its factorization.

26361449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 26361449 is about 5134.3401718234. The cubic root of 26361449 is about 297.6161032604.

The spelling of 26361449 in words is "twenty-six million, three hundred sixty-one thousand, four hundred forty-nine".