Search a number
-
+
64018 = 232009
BaseRepresentation
bin1111101000010010
310020211001
433220102
54022033
61212214
7354433
oct175022
9106731
1064018
1144109
123106a
13231a6
141948a
1513e7d
hexfa12

64018 has 4 divisors (see below), whose sum is σ = 96030. Its totient is φ = 32008.

The previous prime is 64013. The next prime is 64019. The reversal of 64018 is 81046.

64018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 64009 + 9 = 253^2 + 3^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63986 and 64004.

It is not an unprimeable number, because it can be changed into a prime (64013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16003 + ... + 16006.

264018 is an apocalyptic number.

64018 is a deficient number, since it is larger than the sum of its proper divisors (32012).

64018 is a wasteful number, since it uses less digits than its factorization.

64018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32011.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 64018 is about 253.0177859361. The cubic root of 64018 is about 40.0037496485.

The spelling of 64018 in words is "sixty-four thousand, eighteen".

Divisors: 1 2 32009 64018