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856028 = 22214007
BaseRepresentation
bin11010000111111011100
31121111020202
43100333130
5204343103
630203032
710163465
oct3207734
91544222
10856028
11535168
12353478
1323c834
14183d6c
1511d988
hexd0fdc

856028 has 6 divisors (see below), whose sum is σ = 1498056. Its totient is φ = 428012.

The previous prime is 856021. The next prime is 856043. The reversal of 856028 is 820658.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856021) by changing a digit.

856028 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, 107000 + ... + 107007.

It is an arithmetic number, because the mean of its divisors is an integer number (249676).

2856028 is an apocalyptic number.

It is an amenable number.

856028 is a deficient number, since it is larger than the sum of its proper divisors (642028).

856028 is a wasteful number, since it uses less digits than its factorization.

856028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214011 (or 214009 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 856028 is about 925.2178121934. The cubic root of 856028 is about 94.9502232307.

The spelling of 856028 in words is "eight hundred fifty-six thousand, twenty-eight".

Divisors: 1 2 4 214007 428014 856028