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226465 = 545293
BaseRepresentation
bin110111010010100001
3102111122121
4313102201
524221330
64504241
71632151
oct672241
9374577
10226465
11145168
12ab081
137c105
145c761
154717a
hex374a1

226465 has 4 divisors (see below), whose sum is σ = 271764. Its totient is φ = 181168.

The previous prime is 226463. The next prime is 226483. The reversal of 226465 is 564622.

226465 = 3362 + 3372.

226465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564622 = 2282311.

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 112896 = 337^2 + 336^2 .

It is a cyclic number.

It is not a de Polignac number, because 226465 - 21 = 226463 is a prime.

It is a d-powerful number, because it can be written as 213 + 217 + 4 + 64 + 65 + 57 .

It is a Duffinian number.

226465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (226463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22642 + ... + 22651.

It is an arithmetic number, because the mean of its divisors is an integer number (67941).

2226465 is an apocalyptic number.

226465 is the 337-th centered square number.

It is an amenable number.

226465 is a deficient number, since it is larger than the sum of its proper divisors (45299).

226465 is an equidigital number, since it uses as much as digits as its factorization.

226465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45298.

The product of its digits is 2880, while the sum is 25.

The square root of 226465 is about 475.8833890776. The cubic root of 226465 is about 60.9537407950.

The spelling of 226465 in words is "two hundred twenty-six thousand, four hundred sixty-five".

Divisors: 1 5 45293 226465