Base | Representation |
---|---|
bin | 110010110101… |
… | …001101011001 |
3 | 221001222122220 |
4 | 302311031121 |
5 | 11402401040 |
6 | 1153334253 |
7 | 221155551 |
oct | 62651531 |
9 | 27058586 |
10 | 13325145 |
11 | 7581419 |
12 | 4567389 |
13 | 29b7202 |
14 | 1aac161 |
15 | 12832d0 |
hex | cb5359 |
13325145 has 16 divisors (see below), whose sum is σ = 21671232. Its totient is φ = 6989760.
The previous prime is 13325129. The next prime is 13325149. The reversal of 13325145 is 54152331.
It is not a de Polignac number, because 13325145 - 24 = 13325129 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13325149) 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, 6367 + ... + 8196.
It is an arithmetic number, because the mean of its divisors is an integer number (1354452).
Almost surely, 213325145 is an apocalyptic number.
13325145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13325145 is a deficient number, since it is larger than the sum of its proper divisors (8346087).
13325145 is a wasteful number, since it uses less digits than its factorization.
13325145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14632.
The product of its digits is 1800, while the sum is 24.
The square root of 13325145 is about 3650.3623107851. The cubic root of 13325145 is about 237.0776686457.
Adding to 13325145 its reverse (54152331), we get a palindrome (67477476).
The spelling of 13325145 in words is "thirteen million, three hundred twenty-five thousand, one hundred forty-five".
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