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223041 = 37131943
BaseRepresentation
bin110110011101000001
3102022221210
4312131001
524114131
64440333
71616160
oct663501
9368853
10223041
11142635
12a90a9
137a6a0
145b3d7
1546146
hex36741

223041 has 32 divisors (see below), whose sum is σ = 394240. Its totient is φ = 108864.

The previous prime is 223037. The next prime is 223049. The reversal of 223041 is 140322.

223041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223041 - 22 = 223037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5166 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (12320).

2223041 is an apocalyptic number.

223041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223041 is the 273-rd octagonal number.

It is an amenable number.

223041 is a deficient number, since it is larger than the sum of its proper divisors (171199).

223041 is a wasteful number, since it uses less digits than its factorization.

223041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 223041 is about 472.2721672934. The cubic root of 223041 is about 60.6449861479.

Adding to 223041 its reverse (140322), we get a palindrome (363363).

The spelling of 223041 in words is "two hundred twenty-three thousand, forty-one", and thus it is an iban number.

Divisors: 1 3 7 13 19 21 39 43 57 91 129 133 247 273 301 399 559 741 817 903 1677 1729 2451 3913 5187 5719 10621 11739 17157 31863 74347 223041