Base | Representation |
---|---|
bin | 10001001100010… |
… | …10100001111000 |
3 | 101001101020211201 |
4 | 20212022201320 |
5 | 243410103303 |
6 | 22151103544 |
7 | 3400604155 |
oct | 1046124170 |
9 | 331336751 |
10 | 144222328 |
11 | 74456408 |
12 | 40371bb4 |
13 | 23b58173 |
14 | 1522322c |
15 | c9dc81d |
hex | 898a878 |
144222328 has 48 divisors (see below), whose sum is σ = 288466920. Its totient is φ = 67569216.
The previous prime is 144222319. The next prime is 144222329. The reversal of 144222328 is 823222441.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 144222296 and 144222305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144222329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223975 + ... + 224617.
Almost surely, 2144222328 is an apocalyptic number.
It is an amenable number.
144222328 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
144222328 is a wasteful number, since it uses less digits than its factorization.
144222328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748 (or 721 counting only the distinct ones).
The product of its digits is 6144, while the sum is 28.
The square root of 144222328 is about 12009.2600937776. The cubic root of 144222328 is about 524.4178920745.
Adding to 144222328 its reverse (823222441), we get a palindrome (967444769).
The spelling of 144222328 in words is "one hundred forty-four million, two hundred twenty-two thousand, three hundred twenty-eight".
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