Search a number
-
+
26495281 is a prime number
BaseRepresentation
bin110010100010…
…0100100110001
31211212002200201
41211010210301
523240322111
62343515201
7441130501
oct145044461
954762621
1026495281
1113a5732a
128a58b01
1356489a7
143739a01
1524d56c1
hex1944931

26495281 has 2 divisors, whose sum is σ = 26495282. Its totient is φ = 26495280.

The previous prime is 26495269. The next prime is 26495311. The reversal of 26495281 is 18259462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 3837681 = 4760^2 + 1959^2 .

It is a cyclic number.

It is not a de Polignac number, because 26495281 - 27 = 26495153 is a prime.

It is a super-2 number, since 2×264952812 = 1403999830537922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26495281.

It is not a weakly prime, because it can be changed into another prime (26495201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13247640 + 13247641.

It is an arithmetic number, because the mean of its divisors is an integer number (13247641).

Almost surely, 226495281 is an apocalyptic number.

It is an amenable number.

26495281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26495281 is an equidigital number, since it uses as much as digits as its factorization.

26495281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 26495281 is about 5147.3567002880. The cubic root of 26495281 is about 298.1188998982.

The spelling of 26495281 in words is "twenty-six million, four hundred ninety-five thousand, two hundred eighty-one".