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266224 = 2472377
BaseRepresentation
bin1000000111111110000
3111112012011
41000333300
532004344
65412304
72156110
oct1007760
9445164
10266224
11172022
1210a094
139423a
146d040
1553d34
hex40ff0

266224 has 20 divisors (see below), whose sum is σ = 589744. Its totient is φ = 114048.

The previous prime is 266221. The next prime is 266239. The reversal of 266224 is 422662.

It is a happy number.

It is a d-powerful number, because it can be written as 23 + 63 + 29 + 64 + 211 + 49 .

It is a junction number, because it is equal to n+sod(n) for n = 266195 and 266204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266221) 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, 1077 + ... + 1300.

2266224 is an apocalyptic number.

It is an amenable number.

266224 is an abundant number, since it is smaller than the sum of its proper divisors (323520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266224 is a wasteful number, since it uses less digits than its factorization.

266224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392 (or 2386 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 266224 is about 515.9689913163. The cubic root of 266224 is about 64.3303234175.

Adding to 266224 its reverse (422662), we get a palindrome (688886).

The spelling of 266224 in words is "two hundred sixty-six thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 2377 4754 9508 16639 19016 33278 38032 66556 133112 266224