Base | Representation |
---|---|
bin | 110101000100… |
… | …100000000111 |
3 | 222011210202220 |
4 | 311010200013 |
5 | 12030141241 |
6 | 1214103423 |
7 | 226151655 |
oct | 65044007 |
9 | 28153686 |
10 | 13912071 |
11 | 7942388 |
12 | 47aab73 |
13 | 2b613c4 |
14 | 1bc1dd5 |
15 | 134c166 |
hex | d44807 |
13912071 has 8 divisors (see below), whose sum is σ = 18597744. Its totient is φ = 9250560.
The previous prime is 13912061. The next prime is 13912099. The reversal of 13912071 is 17021931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13912071 - 25 = 13912039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13912021) 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, 4650 + ... + 7031.
It is an arithmetic number, because the mean of its divisors is an integer number (2324718).
Almost surely, 213912071 is an apocalyptic number.
13912071 is a deficient number, since it is larger than the sum of its proper divisors (4685673).
13912071 is a wasteful number, since it uses less digits than its factorization.
13912071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12081.
The product of its (nonzero) digits is 378, while the sum is 24.
The square root of 13912071 is about 3729.8888723392. Note that the first 4 decimals coincide. The cubic root of 13912071 is about 240.5085916050.
The spelling of 13912071 in words is "thirteen million, nine hundred twelve thousand, seventy-one".
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