Base | Representation |
---|---|
bin | 110010011001… |
… | …001010000101 |
3 | 220212011001100 |
4 | 302121022011 |
5 | 11340211440 |
6 | 1151050313 |
7 | 220166556 |
oct | 62311205 |
9 | 26764040 |
10 | 13210245 |
11 | 7503064 |
12 | 4510999 |
13 | 2976b19 |
14 | 1a7c32d |
15 | 125e230 |
hex | c99285 |
13210245 has 24 divisors (see below), whose sum is σ = 23433696. Its totient is φ = 6880608.
The previous prime is 13210237. The next prime is 13210273. The reversal of 13210245 is 54201231.
It is not a de Polignac number, because 13210245 - 23 = 13210237 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1479 + ... + 5348.
It is an arithmetic number, because the mean of its divisors is an integer number (976404).
Almost surely, 213210245 is an apocalyptic number.
13210245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13210245 is a deficient number, since it is larger than the sum of its proper divisors (10223451).
13210245 is a wasteful number, since it uses less digits than its factorization.
13210245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6881 (or 6878 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 13210245 is about 3634.5900731719. The cubic root of 13210245 is about 236.3942765326.
Adding to 13210245 its reverse (54201231), we get a palindrome (67411476).
The spelling of 13210245 in words is "thirteen million, two hundred ten thousand, two hundred forty-five".
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