Base | Representation |
---|---|
bin | 110010011111… |
… | …010000010111 |
3 | 220220102022110 |
4 | 302133100113 |
5 | 11342011343 |
6 | 1151402103 |
7 | 220332441 |
oct | 62372027 |
9 | 26812273 |
10 | 13235223 |
11 | 751a901 |
12 | 4523333 |
13 | 29852c1 |
14 | 1a87491 |
15 | 1266833 |
hex | c9f417 |
13235223 has 16 divisors (see below), whose sum is σ = 18396000. Its totient is φ = 8453760.
The previous prime is 13235221. The next prime is 13235237. The reversal of 13235223 is 32253231.
It is not a de Polignac number, because 13235223 - 21 = 13235221 is a prime.
It is a super-2 number, since 2×132352232 = 350342255719458, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13235223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13235221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12453 + ... + 13473.
It is an arithmetic number, because the mean of its divisors is an integer number (1149750).
Almost surely, 213235223 is an apocalyptic number.
13235223 is a deficient number, since it is larger than the sum of its proper divisors (5160777).
13235223 is a wasteful number, since it uses less digits than its factorization.
13235223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202.
The product of its digits is 1080, while the sum is 21.
The square root of 13235223 is about 3638.0246013462. The cubic root of 13235223 is about 236.5431745691.
Adding to 13235223 its reverse (32253231), we get a palindrome (45488454).
The spelling of 13235223 in words is "thirteen million, two hundred thirty-five thousand, two hundred twenty-three".
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