Base | Representation |
---|---|
bin | 10001010001001… |
… | …11010010011100 |
3 | 101002120212121121 |
4 | 20220213102130 |
5 | 244041130122 |
6 | 22212540324 |
7 | 3406220140 |
oct | 1050472234 |
9 | 332525547 |
10 | 144864412 |
11 | 74854860 |
12 | 406216a4 |
13 | 240214b4 |
14 | 1534d220 |
15 | cab7bc7 |
hex | 8a2749c |
144864412 has 96 divisors (see below), whose sum is σ = 340139520. Its totient is φ = 52254720.
The previous prime is 144864409. The next prime is 144864427. The reversal of 144864412 is 214468441.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382039 + ... + 382417.
It is an arithmetic number, because the mean of its divisors is an integer number (3543120).
Almost surely, 2144864412 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144864412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170069760).
144864412 is an abundant number, since it is smaller than the sum of its proper divisors (195275108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144864412 is a wasteful number, since it uses less digits than its factorization.
144864412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491 (or 489 counting only the distinct ones).
The product of its digits is 24576, while the sum is 34.
The square root of 144864412 is about 12035.9632767801. The cubic root of 144864412 is about 525.1949836593.
The spelling of 144864412 in words is "one hundred forty-four million, eight hundred sixty-four thousand, four hundred twelve".
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