Search a number
7064 = 23883
BaseRepresentation
bin1101110011000
3100200122
41232120
5211224
652412
726411
oct15630
910618
107064
115342
124108
1332a5
142808
15215e
hex1b98

7064 has 8 divisors (see below), whose sum is σ = 13260. Its totient is φ = 3528.

The previous prime is 7057. The next prime is 7069. The reversal of 7064 is 4607.

7064 = 132 + 142 + ... + 282.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7069) by changing a digit.

7064 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 434 + ... + 449.

27064 is an apocalyptic number.

It is an amenable number.

7064 is a deficient number, since it is larger than the sum of its proper divisors (6196).

7064 is a wasteful number, since it uses less digits than its factorization.

7064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 7064 is about 84.0476055578. The cubic root of 7064 is about 19.1874339071.

The spelling of 7064 in words is "seven thousand, sixty-four".

Divisors: 1 2 4 8 883 1766 3532 7064