Base | Representation |
---|---|
bin | 110010000011… |
… | …101010110110 |
3 | 220200200022112 |
4 | 302003222312 |
5 | 11324402410 |
6 | 1145131022 |
7 | 216352142 |
oct | 62035266 |
9 | 26620275 |
10 | 13122230 |
11 | 7452a20 |
12 | 4489a72 |
13 | 2945a44 |
14 | 1a58222 |
15 | 1243105 |
hex | c83ab6 |
13122230 has 16 divisors (see below), whose sum is σ = 25767504. Its totient is φ = 4771680.
The previous prime is 13122229. The next prime is 13122247. The reversal of 13122230 is 3222131.
It is a happy number.
13122230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59537 + ... + 59756.
It is an arithmetic number, because the mean of its divisors is an integer number (1610469).
Almost surely, 213122230 is an apocalyptic number.
13122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13122230 is a deficient number, since it is larger than the sum of its proper divisors (12645274).
13122230 is a wasteful number, since it uses less digits than its factorization.
13122230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119311.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 13122230 is about 3622.4618700547. The cubic root of 13122230 is about 235.8681035469.
Adding to 13122230 its reverse (3222131), we get a palindrome (16344361).
Subtracting from 13122230 its reverse (3222131), we obtain a palindrome (9900099).
The spelling of 13122230 in words is "thirteen million, one hundred twenty-two thousand, two hundred thirty".
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