Base | Representation |
---|---|
bin | 10001001011100… |
… | …10000011001000 |
3 | 101001012011021221 |
4 | 20211302003020 |
5 | 243343401211 |
6 | 22145011424 |
7 | 3400005631 |
oct | 1045620310 |
9 | 331164257 |
10 | 144122056 |
11 | 74398041 |
12 | 40323b74 |
13 | 23b21630 |
14 | 151d8888 |
15 | c9bcc71 |
hex | 89720c8 |
144122056 has 32 divisors (see below), whose sum is σ = 308138040. Its totient is φ = 62604288.
The previous prime is 144122047. The next prime is 144122059. The reversal of 144122056 is 650221441.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 74132100 + 69989956 = 8610^2 + 8366^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 144122056.
It is not an unprimeable number, because it can be changed into a prime (144122059) 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, 38991 + ... + 42526.
Almost surely, 2144122056 is an apocalyptic number.
It is an amenable number.
144122056 is an abundant number, since it is smaller than the sum of its proper divisors (164015984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144122056 is a wasteful number, since it uses less digits than its factorization.
144122056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81553 (or 81549 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 144122056 is about 12005.0845894563. The cubic root of 144122056 is about 524.2963283219.
Adding to 144122056 its reverse (650221441), we get a palindrome (794343497).
The spelling of 144122056 in words is "one hundred forty-four million, one hundred twenty-two thousand, fifty-six".
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