Base | Representation |
---|---|
bin | 10001001101000… |
… | …11100101000000 |
3 | 101001120110120201 |
4 | 20212203211000 |
5 | 243421344203 |
6 | 22153214544 |
7 | 3401512246 |
oct | 1046434500 |
9 | 331513521 |
10 | 144324928 |
11 | 74516500 |
12 | 40401454 |
13 | 23b92a87 |
14 | 1524c796 |
15 | ca0ce1d |
hex | 89a3940 |
144324928 has 42 divisors (see below), whose sum is σ = 314814458. Its totient is φ = 65598720.
The previous prime is 144324923. The next prime is 144324941. The reversal of 144324928 is 829423441.
It can be written as a sum of positive squares in only one way, i.e., 75898944 + 68425984 = 8712^2 + 8272^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144324923) 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, 1575 + ... + 17062.
Almost surely, 2144324928 is an apocalyptic number.
It is an amenable number.
144324928 is an abundant number, since it is smaller than the sum of its proper divisors (170489530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144324928 is a wasteful number, since it uses less digits than its factorization.
144324928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18671 (or 18650 counting only the distinct ones).
The product of its digits is 55296, while the sum is 37.
The square root of 144324928 is about 12013.5310379588. The cubic root of 144324928 is about 524.5422198455.
The spelling of 144324928 in words is "one hundred forty-four million, three hundred twenty-four thousand, nine hundred twenty-eight".
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