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858968 = 231143227
BaseRepresentation
bin11010001101101011000
31121122021122
43101231120
5204441333
630224412
710205165
oct3215530
91548248
10858968
115373a0
12355108
13240c86
1418506c
1511e798
hexd1b58

858968 has 32 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 379680.

The previous prime is 858961. The next prime is 858989. The reversal of 858968 is 869858.

858968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858961) by changing a digit.

858968 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 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 3897.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2858968 is an apocalyptic number.

858968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 858968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902880).

858968 is an abundant number, since it is smaller than the sum of its proper divisors (946792).

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

858968 is a wasteful number, since it uses less digits than its factorization.

858968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 283 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 858968 is about 926.8052654145. The cubic root of 858968 is about 95.0588001633.

The spelling of 858968 in words is "eight hundred fifty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 22 43 44 86 88 172 227 344 454 473 908 946 1816 1892 2497 3784 4994 9761 9988 19522 19976 39044 78088 107371 214742 429484 858968