Base | Representation |
---|---|
bin | 110100010110… |
… | …101001001001 |
3 | 221211021002221 |
4 | 310112221021 |
5 | 12003133413 |
6 | 1210054041 |
7 | 224440225 |
oct | 64265111 |
9 | 27737087 |
10 | 13724233 |
11 | 7824246 |
12 | 471a321 |
13 | 2ac6a63 |
14 | 1b73785 |
15 | 131168d |
hex | d16a49 |
13724233 has 2 divisors, whose sum is σ = 13724234. Its totient is φ = 13724232.
The previous prime is 13724231. The next prime is 13724273. The reversal of 13724233 is 33242731.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12194064 + 1530169 = 3492^2 + 1237^2 .
It is a cyclic number.
It is not a de Polignac number, because 13724233 - 21 = 13724231 is a prime.
Together with 13724231, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 13724198 and 13724207.
It is not a weakly prime, because it can be changed into another prime (13724231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862116 + 6862117.
It is an arithmetic number, because the mean of its divisors is an integer number (6862117).
Almost surely, 213724233 is an apocalyptic number.
It is an amenable number.
13724233 is a deficient number, since it is larger than the sum of its proper divisors (1).
13724233 is an equidigital number, since it uses as much as digits as its factorization.
13724233 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3024, while the sum is 25.
The square root of 13724233 is about 3704.6231927147. The cubic root of 13724233 is about 239.4212501671.
Adding to 13724233 its reverse (33242731), we get a palindrome (46966964).
The spelling of 13724233 in words is "thirteen million, seven hundred twenty-four thousand, two hundred thirty-three".
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