Base | Representation |
---|---|
bin | 110001110100… |
… | …001011110101 |
3 | 220120110022110 |
4 | 301310023311 |
5 | 11320340210 |
6 | 1143521233 |
7 | 215666214 |
oct | 61641365 |
9 | 26513273 |
10 | 13058805 |
11 | 740a301 |
12 | 4459219 |
13 | 2922c06 |
14 | 1a3d07b |
15 | 122e420 |
hex | c742f5 |
13058805 has 32 divisors (see below), whose sum is σ = 22425984. Its totient is φ = 6465536.
The previous prime is 13058803. The next prime is 13058821. The reversal of 13058805 is 50885031.
It is a happy number.
13058805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13058805 - 21 = 13058803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13058803) 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 31 ways as a sum of consecutive naturals, for example, 20857 + ... + 21473.
It is an arithmetic number, because the mean of its divisors is an integer number (700812).
Almost surely, 213058805 is an apocalyptic number.
13058805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13058805 is a deficient number, since it is larger than the sum of its proper divisors (9367179).
13058805 is a wasteful number, since it uses less digits than its factorization.
13058805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 725.
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 13058805 is about 3613.6968605571. The cubic root of 13058805 is about 235.4874745976.
The spelling of 13058805 in words is "thirteen million, fifty-eight thousand, eight hundred five".
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