Base | Representation |
---|---|
bin | 10001001100010… |
… | …01001110001000 |
3 | 101001100222111012 |
4 | 20212021032020 |
5 | 243404420333 |
6 | 22151023052 |
7 | 3400552430 |
oct | 1046111610 |
9 | 331328435 |
10 | 144216968 |
11 | 74452385 |
12 | 4036aa88 |
13 | 23b558ac |
14 | 152212c0 |
15 | c9dae48 |
hex | 8989388 |
144216968 has 32 divisors (see below), whose sum is σ = 309692160. Its totient is φ = 61676160.
The previous prime is 144216937. The next prime is 144216979. The reversal of 144216968 is 869612441.
It is a super-2 number, since 2×1442169682 = 41597067718226048, which contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26705 + ... + 31647.
It is an arithmetic number, because the mean of its divisors is an integer number (9677880).
Almost surely, 2144216968 is an apocalyptic number.
It is an amenable number.
144216968 is an abundant number, since it is smaller than the sum of its proper divisors (165475192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144216968 is a wasteful number, since it uses less digits than its factorization.
144216968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5477 (or 5473 counting only the distinct ones).
The product of its digits is 82944, while the sum is 41.
The square root of 144216968 is about 12009.0369305786. The cubic root of 144216968 is about 524.4113953580.
The spelling of 144216968 in words is "one hundred forty-four million, two hundred sixteen thousand, nine hundred sixty-eight".
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