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265226 = 2131012
BaseRepresentation
bin1000000110000001010
3111110211012
41000300022
531441401
65403522
72153153
oct1006012
9443735
10265226
111712a5
121095a2
1393950
146c92a
15538bb
hex40c0a

265226 has 12 divisors (see below), whose sum is σ = 432726. Its totient is φ = 121200.

The previous prime is 265207. The next prime is 265231. The reversal of 265226 is 622562.

It is a happy number.

It is a Cunningham number, because it is equal to 5152+1.

It can be written as a sum of positive squares in 3 ways, for example, as 265225 + 1 = 515^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2576 + ... + 2676.

2265226 is an apocalyptic number.

265226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

265226 is a deficient number, since it is larger than the sum of its proper divisors (167500).

265226 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (265225) it forms an eRAP, since the sums of their prime factors are consecutive (216 and 217).

265226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 116 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 265226 is about 515.0009708729. Note that the first 3 decimals coincide. The cubic root of 265226 is about 64.2498372416.

Adding to 265226 its reverse (622562), we get a palindrome (887788).

The spelling of 265226 in words is "two hundred sixty-five thousand, two hundred twenty-six".

Divisors: 1 2 13 26 101 202 1313 2626 10201 20402 132613 265226