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868068 = 223224113
BaseRepresentation
bin11010011111011100100
31122002202200
43103323210
5210234233
630334500
710243545
oct3237344
91562680
10868068
11543213
1235a430
13245166
141884cc
15122313
hexd3ee4

868068 has 18 divisors (see below), whose sum is σ = 2194374. Its totient is φ = 289344.

The previous prime is 868051. The next prime is 868069. The reversal of 868068 is 860868.

It can be written as a sum of positive squares in only one way, i.e., 788544 + 79524 = 888^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 24113 = 868068 / (8 + 6 + 8 + 0 + 6 + 8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868068.

It is not an unprimeable number, because it can be changed into a prime (868069) by changing a digit.

868068 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 5 ways as a sum of consecutive naturals, for example, 12021 + ... + 12092.

2868068 is an apocalyptic number.

It is an amenable number.

868068 is an abundant number, since it is smaller than the sum of its proper divisors (1326306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868068 is a wasteful number, since it uses less digits than its factorization.

868068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24123 (or 24118 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 868068 is about 931.7016689907. The cubic root of 868068 is about 95.3933093946.

The spelling of 868068 in words is "eight hundred sixty-eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 24113 48226 72339 96452 144678 217017 289356 434034 868068