Base | Representation |
---|---|
bin | 10001001110110… |
… | …11111010110100 |
3 | 101002000012010211 |
4 | 20213123322310 |
5 | 244001240300 |
6 | 22202155204 |
7 | 3403463122 |
oct | 1047337264 |
9 | 332005124 |
10 | 144555700 |
11 | 74663923 |
12 | 404b2b04 |
13 | 23c43b23 |
14 | 152ac912 |
15 | ca564ba |
hex | 89dbeb4 |
144555700 has 18 divisors (see below), whose sum is σ = 313686086. Its totient is φ = 57822240.
The previous prime is 144555679. The next prime is 144555703. The reversal of 144555700 is 7555441.
It can be written as a sum of positive squares in 3 ways, for example, as 459684 + 144096016 = 678^2 + 12004^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144555703) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722679 + ... + 722878.
Almost surely, 2144555700 is an apocalyptic number.
144555700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144555700 is an abundant number, since it is smaller than the sum of its proper divisors (169130386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144555700 is a wasteful number, since it uses less digits than its factorization.
144555700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1445571 (or 1445564 counting only the distinct ones).
The product of its (nonzero) digits is 14000, while the sum is 31.
The square root of 144555700 is about 12023.1318715217. The cubic root of 144555700 is about 524.8216476561.
The spelling of 144555700 in words is "one hundred forty-four million, five hundred fifty-five thousand, seven hundred".
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