Base | Representation |
---|---|
bin | 110101001100… |
… | …000101000001 |
3 | 222020101100022 |
4 | 311030011001 |
5 | 12032134410 |
6 | 1214503225 |
7 | 226341311 |
oct | 65140501 |
9 | 28211308 |
10 | 13943105 |
11 | 7963730 |
12 | 4804b15 |
13 | 2b72577 |
14 | 1bcd441 |
15 | 1356455 |
hex | d4c141 |
13943105 has 16 divisors (see below), whose sum is σ = 18489600. Its totient is φ = 10008960.
The previous prime is 13943101. The next prime is 13943107. The reversal of 13943105 is 50134931.
It is not a de Polignac number, because 13943105 - 22 = 13943101 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13943101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2741 + ... + 5949.
It is an arithmetic number, because the mean of its divisors is an integer number (1155600).
Almost surely, 213943105 is an apocalyptic number.
It is an amenable number.
13943105 is a deficient number, since it is larger than the sum of its proper divisors (4546495).
13943105 is a wasteful number, since it uses less digits than its factorization.
13943105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3304.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 13943105 is about 3734.0467324339. The cubic root of 13943105 is about 240.6872949411.
The spelling of 13943105 in words is "thirteen million, nine hundred forty-three thousand, one hundred five".
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