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868230 = 232511877
BaseRepresentation
bin11010011111110000110
31122002222200
43103332012
5210240410
630335330
710244166
oct3237606
91562880
10868230
11543350
1235a546
1324525c
141885a6
151223c0
hexd3f86

868230 has 48 divisors (see below), whose sum is σ = 2465424. Its totient is φ = 210240.

The previous prime is 868229. The next prime is 868249. The reversal of 868230 is 32868.

It is a Curzon number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 868194 and 868203.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868230.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (51363).

2868230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232712).

868230 is an abundant number, since it is smaller than the sum of its proper divisors (1597194).

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

868230 is a wasteful number, since it uses less digits than its factorization.

868230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 868230 is about 931.7886026347. The cubic root of 868230 is about 95.3992431674.

The spelling of 868230 in words is "eight hundred sixty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 877 990 1754 2631 4385 5262 7893 8770 9647 13155 15786 19294 26310 28941 39465 48235 57882 78930 86823 96470 144705 173646 289410 434115 868230