Base | Representation |
---|---|
bin | 10001010001111… |
… | …11010110000000 |
3 | 101002202212202221 |
4 | 20220333112000 |
5 | 244102303234 |
6 | 22215020424 |
7 | 3410110330 |
oct | 1050772600 |
9 | 332685687 |
10 | 144962944 |
11 | 74911895 |
12 | 4066a714 |
13 | 240572b9 |
14 | 153770c0 |
15 | cad6eb4 |
hex | 8a3f580 |
144962944 has 128 divisors (see below), whose sum is σ = 361912320. Its totient is φ = 56401920.
The previous prime is 144962891. The next prime is 144962947. The reversal of 144962944 is 449269441.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 144962944.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144962947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472039 + ... + 472345.
It is an arithmetic number, because the mean of its divisors is an integer number (2827440).
Almost surely, 2144962944 is an apocalyptic number.
144962944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144962944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180956160).
144962944 is an abundant number, since it is smaller than the sum of its proper divisors (216949376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144962944 is a wasteful number, since it uses less digits than its factorization.
144962944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376 (or 364 counting only the distinct ones).
The product of its digits is 248832, while the sum is 43.
The square root of 144962944 is about 12040.0558138241. The cubic root of 144962944 is about 525.3140301140.
The spelling of 144962944 in words is "one hundred forty-four million, nine hundred sixty-two thousand, nine hundred forty-four".
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