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66266 = 2171949
BaseRepresentation
bin10000001011011010
310100220022
4100023122
54110031
61230442
7364124
oct201332
9110808
1066266
1145872
1232422
1324215
141a214
151497b
hex102da

66266 has 8 divisors (see below), whose sum is σ = 105300. Its totient is φ = 31168.

The previous prime is 66239. The next prime is 66271.

66266 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 60025 + 6241 = 245^2 + 79^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941 + ... + 1008.

266266 is an apocalyptic number.

66266 is a deficient number, since it is larger than the sum of its proper divisors (39034).

66266 is a wasteful number, since it uses less digits than its factorization.

66266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its digits is 2592, while the sum is 26.

The square root of 66266 is about 257.4218327959. The cubic root of 66266 is about 40.4666188385.

The spelling of 66266 in words is "sixty-six thousand, two hundred sixty-six".

Divisors: 1 2 17 34 1949 3898 33133 66266