Base | Representation |
---|---|
bin | 10001001100001… |
… | …11101000000000 |
3 | 101001100122112010 |
4 | 20212013220000 |
5 | 243404213212 |
6 | 22150532520 |
7 | 3400524402 |
oct | 1046075000 |
9 | 331318463 |
10 | 144210432 |
11 | 74448483 |
12 | 40367140 |
13 | 23b52922 |
14 | 1521cb72 |
15 | c9d903c |
hex | 8987a00 |
144210432 has 40 divisors (see below), whose sum is σ = 384189696. Its totient is φ = 48069632.
The previous prime is 144210431. The next prime is 144210467. The reversal of 144210432 is 234012441.
It is a junction number, because it is equal to n+sod(n) for n = 144210399 and 144210408.
It is not an unprimeable number, because it can be changed into a prime (144210431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45408 + ... + 48479.
Almost surely, 2144210432 is an apocalyptic number.
144210432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144210432 is an abundant number, since it is smaller than the sum of its proper divisors (239979264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144210432 is an frugal number, since it uses more digits than its factorization.
144210432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93908 (or 93892 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 144210432 is about 12008.7647990957. The cubic root of 144210432 is about 524.4034730247.
Adding to 144210432 its reverse (234012441), we get a palindrome (378222873).
The spelling of 144210432 in words is "one hundred forty-four million, two hundred ten thousand, four hundred thirty-two".
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