Base | Representation |
---|---|
bin | 110110000001… |
… | …000000111011 |
3 | 222122101202220 |
4 | 312001000323 |
5 | 12111104211 |
6 | 1223255123 |
7 | 231233412 |
oct | 66010073 |
9 | 28571686 |
10 | 14159931 |
11 | 7aa1625 |
12 | 48aa4a3 |
13 | 2c1a176 |
14 | 1c48479 |
15 | 139a806 |
hex | d8103b |
14159931 has 4 divisors (see below), whose sum is σ = 18879912. Its totient is φ = 9439952.
The previous prime is 14159911. The next prime is 14159947. The reversal of 14159931 is 13995141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13995141 = 3 ⋅4665047.
It is a cyclic number.
It is not a de Polignac number, because 14159931 - 26 = 14159867 is a prime.
It is a super-2 number, since 2×141599312 = 401007291849522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 14159892 and 14159901.
It is not an unprimeable number, because it can be changed into a prime (14159911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359986 + ... + 2359991.
It is an arithmetic number, because the mean of its divisors is an integer number (4719978).
Almost surely, 214159931 is an apocalyptic number.
14159931 is a deficient number, since it is larger than the sum of its proper divisors (4719981).
14159931 is an equidigital number, since it uses as much as digits as its factorization.
14159931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4719980.
The product of its digits is 4860, while the sum is 33.
The square root of 14159931 is about 3762.9683761626. The cubic root of 14159931 is about 241.9285072150.
The spelling of 14159931 in words is "fourteen million, one hundred fifty-nine thousand, nine hundred thirty-one".
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