Base | Representation |
---|---|
bin | 10001001111100… |
… | …00110111001000 |
3 | 101002011112210212 |
4 | 20213300313020 |
5 | 244012011410 |
6 | 22204100252 |
7 | 3404301164 |
oct | 1047606710 |
9 | 332145725 |
10 | 144641480 |
11 | 74712315 |
12 | 40534688 |
13 | 23c73b99 |
14 | 152d1ca4 |
15 | ca71b05 |
hex | 89f0dc8 |
144641480 has 32 divisors (see below), whose sum is σ = 339595200. Its totient is φ = 55340736.
The previous prime is 144641479. The next prime is 144641489. The reversal of 144641480 is 84146441.
It is not an unprimeable number, because it can be changed into a prime (144641489) 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, 77690 + ... + 79529.
It is an arithmetic number, because the mean of its divisors is an integer number (10612350).
Almost surely, 2144641480 is an apocalyptic number.
144641480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144641480 is an abundant number, since it is smaller than the sum of its proper divisors (194953720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144641480 is a wasteful number, since it uses less digits than its factorization.
144641480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157253 (or 157249 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 144641480 is about 12026.6986326257. The cubic root of 144641480 is about 524.9254376346.
The spelling of 144641480 in words is "one hundred forty-four million, six hundred forty-one thousand, four hundred eighty".
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