Base | Representation |
---|---|
bin | 100000010011100… |
… | …100010000010000 |
3 | 1101202212110102102 |
4 | 200103210100100 |
5 | 2102223001034 |
6 | 125440535532 |
7 | 16300632230 |
oct | 4023442020 |
9 | 1352773372 |
10 | 542000144 |
11 | 258a43804 |
12 | 1316215a8 |
13 | 8839c15a |
14 | 51da9cc0 |
15 | 328b297e |
hex | 204e4410 |
542000144 has 40 divisors (see below), whose sum is σ = 1201256448. Its totient is φ = 232070400.
The previous prime is 542000143. The next prime is 542000149. The reversal of 542000144 is 441000245.
It is not an unprimeable number, because it can be changed into a prime (542000143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200369 + ... + 203055.
Almost surely, 2542000144 is an apocalyptic number.
It is an amenable number.
542000144 is an abundant number, since it is smaller than the sum of its proper divisors (659256304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542000144 is a wasteful number, since it uses less digits than its factorization.
542000144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4503 (or 4497 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 542000144 is about 23280.8965463102. The cubic root of 542000144 is about 815.3294584300.
Adding to 542000144 its reverse (441000245), we get a palindrome (983000389).
The spelling of 542000144 in words is "five hundred forty-two million, one hundred forty-four", and thus it is an aban number.
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