Search a number
-
+
67066 = 233533
BaseRepresentation
bin10000010111111010
310101222221
4100113322
54121231
61234254
7366346
oct202772
9111887
1067066
114642a
123298a
13246ac
141a626
1514d11
hex105fa

67066 has 4 divisors (see below), whose sum is σ = 100602. Its totient is φ = 33532.

The previous prime is 67061. The next prime is 67073. The reversal of 67066 is 66076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48841 + 18225 = 221^2 + 135^2 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 67066.

It is not an unprimeable number, because it can be changed into a prime (67061) by changing a digit.

67066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765 + ... + 16768.

267066 is an apocalyptic number.

67066 is a deficient number, since it is larger than the sum of its proper divisors (33536).

67066 is a wasteful number, since it uses less digits than its factorization.

67066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33535.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 67066 is about 258.9710408521. The cubic root of 67066 is about 40.6288130543.

Subtracting from 67066 its reverse (66076), we obtain a triangular number (990 = T44).

The spelling of 67066 in words is "sixty-seven thousand, sixty-six".

Divisors: 1 2 33533 67066