Base | Representation |
---|---|
bin | 111000110011… |
… | …000111001101 |
3 | 1001000110110001 |
4 | 320303013031 |
5 | 12302430141 |
6 | 1251044301 |
7 | 240362251 |
oct | 70630715 |
9 | 31013401 |
10 | 14889421 |
11 | 844a708 |
12 | 4ba0691 |
13 | 3114211 |
14 | 1d98261 |
15 | 1491a31 |
hex | e331cd |
14889421 has 4 divisors (see below), whose sum is σ = 14989500. Its totient is φ = 14789344.
The previous prime is 14889401. The next prime is 14889431. The reversal of 14889421 is 12498841.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 532900 + 14356521 = 730^2 + 3789^2 .
It is a cyclic number.
It is not a de Polignac number, because 14889421 - 25 = 14889389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14889401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49816 + ... + 50113.
It is an arithmetic number, because the mean of its divisors is an integer number (3747375).
Almost surely, 214889421 is an apocalyptic number.
It is an amenable number.
14889421 is a deficient number, since it is larger than the sum of its proper divisors (100079).
14889421 is an equidigital number, since it uses as much as digits as its factorization.
14889421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100078.
The product of its digits is 18432, while the sum is 37.
The square root of 14889421 is about 3858.6812514122. The cubic root of 14889421 is about 246.0136870786.
The spelling of 14889421 in words is "fourteen million, eight hundred eighty-nine thousand, four hundred twenty-one".
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