Search a number
-
+
26446225 = 521381373
BaseRepresentation
bin110010011100…
…0100110010001
31211202121101211
41210320212101
523232234400
62342500121
7440534461
oct144704621
954677354
1026446225
1113a23493
128a34641
13562c570
143725ba1
1524c5dba
hex1938991

26446225 has 12 divisors (see below), whose sum is σ = 35316316. Its totient is φ = 19529280.

The previous prime is 26446223. The next prime is 26446229. The reversal of 26446225 is 52264462.

It can be written as a sum of positive squares in 6 ways, for example, as 242064 + 26204161 = 492^2 + 5119^2 .

It is not a de Polignac number, because 26446225 - 21 = 26446223 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26446223) 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 in 11 ways as a sum of consecutive naturals, for example, 40362 + ... + 41011.

Almost surely, 226446225 is an apocalyptic number.

26446225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26446225 is a deficient number, since it is larger than the sum of its proper divisors (8870091).

26446225 is a wasteful number, since it uses less digits than its factorization.

26446225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81396 (or 81391 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 26446225 is about 5142.5893283442. The cubic root of 26446225 is about 297.9347972296.

The spelling of 26446225 in words is "twenty-six million, four hundred forty-six thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 81373 406865 1057849 2034325 5289245 26446225