Base | Representation |
---|---|
bin | 10001001101110… |
… | …11010000010110 |
3 | 101001202101121122 |
4 | 20212323100112 |
5 | 243433000120 |
6 | 22155243542 |
7 | 3402365063 |
oct | 1046732026 |
9 | 331671548 |
10 | 144421910 |
11 | 74582356 |
12 | 404495b2 |
13 | 23bc7c69 |
14 | 15275c6a |
15 | ca2ba25 |
hex | 89bb416 |
144421910 has 16 divisors (see below), whose sum is σ = 262262016. Its totient is φ = 57257088.
The previous prime is 144421903. The next prime is 144421913. The reversal of 144421910 is 19124441.
It is a self number, because there is not a number n which added to its sum of digits gives 144421910.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144421913) 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 7 ways as a sum of consecutive naturals, for example, 62774 + ... + 65033.
It is an arithmetic number, because the mean of its divisors is an integer number (16391376).
Almost surely, 2144421910 is an apocalyptic number.
144421910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144421910 is a deficient number, since it is larger than the sum of its proper divisors (117840106).
144421910 is a wasteful number, since it uses less digits than its factorization.
144421910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127927.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 144421910 is about 12017.5667254232. The cubic root of 144421910 is about 524.6596857236.
The spelling of 144421910 in words is "one hundred forty-four million, four hundred twenty-one thousand, nine hundred ten".
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