Base | Representation |
---|---|
bin | 10001001100110… |
… | …11010110111010 |
3 | 101001111202101200 |
4 | 20212123112322 |
5 | 243414310013 |
6 | 22152355030 |
7 | 3401312136 |
oct | 1046332672 |
9 | 331452350 |
10 | 144291258 |
11 | 744a3181 |
12 | 403a5a76 |
13 | 23b80657 |
14 | 152403c6 |
15 | ca02e73 |
hex | 899b5ba |
144291258 has 48 divisors (see below), whose sum is σ = 317990400. Its totient is φ = 47280672.
The previous prime is 144291247. The next prime is 144291293. The reversal of 144291258 is 852192441.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413268 + ... + 413616.
It is an arithmetic number, because the mean of its divisors is an integer number (6624800).
Almost surely, 2144291258 is an apocalyptic number.
144291258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
144291258 is an abundant number, since it is smaller than the sum of its proper divisors (173699142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144291258 is a wasteful number, since it uses less digits than its factorization.
144291258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683 (or 680 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 144291258 is about 12012.1296196803. The cubic root of 144291258 is about 524.5014259914.
The spelling of 144291258 in words is "one hundred forty-four million, two hundred ninety-one thousand, two hundred fifty-eight".
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