Base | Representation |
---|---|
bin | 110101000100… |
… | …001010110001 |
3 | 222011201220022 |
4 | 311010022301 |
5 | 12030120310 |
6 | 1214053225 |
7 | 226144664 |
oct | 65041261 |
9 | 28151808 |
10 | 13910705 |
11 | 7941356 |
12 | 47aa215 |
13 | 2b608b3 |
14 | 1bc16db |
15 | 134ba55 |
hex | d442b1 |
13910705 has 8 divisors (see below), whose sum is σ = 17144232. Its totient is φ = 10827648.
The previous prime is 13910693. The next prime is 13910707. The reversal of 13910705 is 50701931.
It can be written as a sum of positive squares in 4 ways, for example, as 3211264 + 10699441 = 1792^2 + 3271^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13910705 - 218 = 13648561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13910707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37412 + ... + 37781.
It is an arithmetic number, because the mean of its divisors is an integer number (2143029).
Almost surely, 213910705 is an apocalyptic number.
It is an amenable number.
13910705 is a deficient number, since it is larger than the sum of its proper divisors (3233527).
13910705 is an equidigital number, since it uses as much as digits as its factorization.
13910705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75235.
The product of its (nonzero) digits is 945, while the sum is 26.
The square root of 13910705 is about 3729.7057524690. The cubic root of 13910705 is about 240.5007196524.
The spelling of 13910705 in words is "thirteen million, nine hundred ten thousand, seven hundred five".
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