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223398 = 2347197
BaseRepresentation
bin110110100010100110
3102100110000
4312202212
524122043
64442130
71620210
oct664246
9370400
10223398
1114292a
12a9346
137a8b6
145b5b0
15462d3
hex368a6

223398 has 40 divisors (see below), whose sum is σ = 574992. Its totient is φ = 63504.

The previous prime is 223381. The next prime is 223403. The reversal of 223398 is 893322.

223398 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 (27).

It is a congruent number.

It is an unprimeable number.

223398 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 19 ways as a sum of consecutive naturals, for example, 1036 + ... + 1232.

2223398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287496).

223398 is an abundant number, since it is smaller than the sum of its proper divisors (351594).

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

223398 is a wasteful number, since it uses less digits than its factorization.

223398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 209 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 223398 is about 472.6499761980. The cubic root of 223398 is about 60.6773250739.

The spelling of 223398 in words is "two hundred twenty-three thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 197 378 394 567 591 1134 1182 1379 1773 2758 3546 4137 5319 8274 10638 12411 15957 24822 31914 37233 74466 111699 223398