Base | Representation |
---|---|
bin | 10001001011010… |
… | …01010110101010 |
3 | 101001010100102220 |
4 | 20211221112222 |
5 | 243341231232 |
6 | 22144134510 |
7 | 3366500043 |
oct | 1045512652 |
9 | 331110386 |
10 | 144086442 |
11 | 74373305 |
12 | 40307436 |
13 | 23b0b366 |
14 | 151c98ca |
15 | c9b242c |
hex | 89695aa |
144086442 has 32 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 46269888.
The previous prime is 144086401. The next prime is 144086479. The reversal of 144086442 is 244680441.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 138159 + ... + 139197.
It is an arithmetic number, because the mean of its divisors is an integer number (9336600).
Almost surely, 2144086442 is an apocalyptic number.
144086442 is an abundant number, since it is smaller than the sum of its proper divisors (154684758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144086442 is a wasteful number, since it uses less digits than its factorization.
144086442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1870.
The product of its (nonzero) digits is 24576, while the sum is 33.
The square root of 144086442 is about 12003.6012096370. The cubic root of 144086442 is about 524.2531384771.
The spelling of 144086442 in words is "one hundred forty-four million, eighty-six thousand, four hundred forty-two".
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