Search a number
-
+
860228 = 221091973
BaseRepresentation
bin11010010000001000100
31121201000022
43102001010
5210011403
630234312
710211645
oct3220104
91551008
10860228
11538336
12355998
13241715
141856cc
1511ed38
hexd2044

860228 has 12 divisors (see below), whose sum is σ = 1519980. Its totient is φ = 425952.

The previous prime is 860143. The next prime is 860239. The reversal of 860228 is 822068.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 473344 = 622^2 + 688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 860197 and 860206.

It is an unprimeable number.

860228 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 in 3 ways as a sum of consecutive naturals, for example, 551 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (126665).

2860228 is an apocalyptic number.

It is an amenable number.

860228 is a deficient number, since it is larger than the sum of its proper divisors (659752).

860228 is a wasteful number, since it uses less digits than its factorization.

860228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 860228 is about 927.4847707645. The cubic root of 860228 is about 95.1052572961.

The spelling of 860228 in words is "eight hundred sixty thousand, two hundred twenty-eight".

Divisors: 1 2 4 109 218 436 1973 3946 7892 215057 430114 860228