Base | Representation |
---|---|
bin | 110010001001… |
… | …010010100101 |
3 | 220201211220020 |
4 | 302021102211 |
5 | 11331122003 |
6 | 1145425353 |
7 | 216506232 |
oct | 62112245 |
9 | 26654806 |
10 | 13145253 |
11 | 7469250 |
12 | 449b259 |
13 | 2953374 |
14 | 1a62789 |
15 | 1249d53 |
hex | c894a5 |
13145253 has 8 divisors (see below), whose sum is σ = 19120416. Its totient is φ = 7966800.
The previous prime is 13145243. The next prime is 13145257. The reversal of 13145253 is 35254131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13145253 - 26 = 13145189 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13145257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199138 + ... + 199203.
It is an arithmetic number, because the mean of its divisors is an integer number (2390052).
Almost surely, 213145253 is an apocalyptic number.
It is an amenable number.
13145253 is a deficient number, since it is larger than the sum of its proper divisors (5975163).
13145253 is a wasteful number, since it uses less digits than its factorization.
13145253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398355.
The product of its digits is 1800, while the sum is 24.
The square root of 13145253 is about 3625.6382886328. The cubic root of 13145253 is about 236.0059667648.
Adding to 13145253 its reverse (35254131), we get a palindrome (48399384).
The spelling of 13145253 in words is "thirteen million, one hundred forty-five thousand, two hundred fifty-three".
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