Base | Representation |
---|---|
bin | 10001001111010… |
… | …11101110010000 |
3 | 101002010110221022 |
4 | 20213223232100 |
5 | 244010323212 |
6 | 22203415012 |
7 | 3404152625 |
oct | 1047535620 |
9 | 332113838 |
10 | 144620432 |
11 | 746a8520 |
12 | 40524468 |
13 | 23c67428 |
14 | 152c834c |
15 | ca6a772 |
hex | 89ebb90 |
144620432 has 40 divisors (see below), whose sum is σ = 306355392. Its totient is φ = 65590400.
The previous prime is 144620431. The next prime is 144620449. The reversal of 144620432 is 234026441.
144620432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (144620431) 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, 139757 + ... + 140787.
Almost surely, 2144620432 is an apocalyptic number.
It is an amenable number.
144620432 is an abundant number, since it is smaller than the sum of its proper divisors (161734960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144620432 is a wasteful number, since it uses less digits than its factorization.
144620432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1847 (or 1841 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
The square root of 144620432 is about 12025.8235476827. The cubic root of 144620432 is about 524.8999742922.
Adding to 144620432 its reverse (234026441), we get a palindrome (378646873).
The spelling of 144620432 in words is "one hundred forty-four million, six hundred twenty thousand, four hundred thirty-two".
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