Search a number
-
+
872012 = 22218003
BaseRepresentation
bin11010100111001001100
31122022011202
43110321030
5210401022
630405032
710261211
oct3247114
91568152
10872012
11546179
12360778
13246bab
14189b08
15123592
hexd4e4c

872012 has 6 divisors (see below), whose sum is σ = 1526028. Its totient is φ = 436004.

The previous prime is 871993. The next prime is 872017. The reversal of 872012 is 210278.

872012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (872017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108998 + ... + 109005.

It is an arithmetic number, because the mean of its divisors is an integer number (254338).

2872012 is an apocalyptic number.

It is an amenable number.

872012 is a deficient number, since it is larger than the sum of its proper divisors (654016).

872012 is a wasteful number, since it uses less digits than its factorization.

872012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218007 (or 218005 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 872012 is about 933.8158276662. The cubic root of 872012 is about 95.5375618624.

The spelling of 872012 in words is "eight hundred seventy-two thousand, twelve".

Divisors: 1 2 4 218003 436006 872012