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266266 = 272111319
BaseRepresentation
bin1000001000000011010
3111112020201
41001000122
532010031
65412414
72156200
oct1010032
9445221
10266266
11172060
1210a10a
1394270
146d070
1553d61
hex4101a

266266 has 48 divisors (see below), whose sum is σ = 574560. Its totient is φ = 90720.

The previous prime is 266261. The next prime is 266269. The reversal of 266266 is 662662.

It is not an unprimeable number, because it can be changed into a prime (266261) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 14005 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2266266 is an apocalyptic number.

266266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

266266 is an abundant number, since it is smaller than the sum of its proper divisors (308294).

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

266266 is a wasteful number, since it uses less digits than its factorization.

266266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 52 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 266266 is about 516.0096898315. The cubic root of 266266 is about 64.3337061973. Note that the first 3 decimals are identical.

The spelling of 266266 in words is "two hundred sixty-six thousand, two hundred sixty-six".

Divisors: 1 2 7 11 13 14 19 22 26 38 49 77 91 98 133 143 154 182 209 247 266 286 418 494 539 637 931 1001 1078 1274 1463 1729 1862 2002 2717 2926 3458 5434 7007 10241 12103 14014 19019 20482 24206 38038 133133 266266