Base | Representation |
---|---|
bin | 10001001110000… |
… | …10101000011000 |
3 | 101001210221001112 |
4 | 20213002220120 |
5 | 243434431440 |
6 | 22200035452 |
7 | 3402552131 |
oct | 1047025030 |
9 | 331727045 |
10 | 144452120 |
11 | 745a301a |
12 | 40462b88 |
13 | 23c08937 |
14 | 15282c88 |
15 | ca35965 |
hex | 89c2a18 |
144452120 has 16 divisors (see below), whose sum is σ = 325017360. Its totient is φ = 57780832.
The previous prime is 144452071. The next prime is 144452149. The reversal of 144452120 is 21254441.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805612 + ... + 1805691.
It is an arithmetic number, because the mean of its divisors is an integer number (20313585).
Almost surely, 2144452120 is an apocalyptic number.
144452120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144452120 is an abundant number, since it is smaller than the sum of its proper divisors (180565240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144452120 is a wasteful number, since it uses less digits than its factorization.
144452120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611314 (or 3611310 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 144452120 is about 12018.8235697176. The cubic root of 144452120 is about 524.6962657320.
The spelling of 144452120 in words is "one hundred forty-four million, four hundred fifty-two thousand, one hundred twenty".
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