Base | Representation |
---|---|
bin | 110101000011… |
… | …010010100001 |
3 | 222011112221222 |
4 | 311003102201 |
5 | 12030011410 |
6 | 1214024425 |
7 | 226131332 |
oct | 65032241 |
9 | 28145858 |
10 | 13907105 |
11 | 7939683 |
12 | 47a8115 |
13 | 2b5c074 |
14 | 1bc0289 |
15 | 134a955 |
hex | d434a1 |
13907105 has 8 divisors (see below), whose sum is σ = 17670312. Its totient is φ = 10471168.
The previous prime is 13907087. The next prime is 13907119. The reversal of 13907105 is 50170931.
It can be written as a sum of positive squares in 4 ways, for example, as 3519376 + 10387729 = 1876^2 + 3223^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13907105 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81722 + ... + 81891.
It is an arithmetic number, because the mean of its divisors is an integer number (2208789).
Almost surely, 213907105 is an apocalyptic number.
It is an amenable number.
13907105 is a deficient number, since it is larger than the sum of its proper divisors (3763207).
13907105 is a wasteful number, since it uses less digits than its factorization.
13907105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163635.
The product of its (nonzero) digits is 945, while the sum is 26.
The square root of 13907105 is about 3729.2231094425. The cubic root of 13907105 is about 240.4799711883.
The spelling of 13907105 in words is "thirteen million, nine hundred seven thousand, one hundred five".
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