Base | Representation |
---|---|
bin | 10001001101110… |
… | …11100011000000 |
3 | 101001202110020212 |
4 | 20212323203000 |
5 | 243433014404 |
6 | 22155253252 |
7 | 3402401420 |
oct | 1046734300 |
9 | 331673225 |
10 | 144423104 |
11 | 74583241 |
12 | 4044a228 |
13 | 23bc8677 |
14 | 15276480 |
15 | ca2c06e |
hex | 89bb8c0 |
144423104 has 112 divisors (see below), whose sum is σ = 353080320. Its totient is φ = 57390336.
The previous prime is 144423101. The next prime is 144423121. The reversal of 144423104 is 401324441.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a self number, because there is not a number n which added to its sum of digits gives 144423104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144423101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3072809 + ... + 3072855.
Almost surely, 2144423104 is an apocalyptic number.
144423104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176540160).
144423104 is an abundant number, since it is smaller than the sum of its proper divisors (208657216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144423104 is an frugal number, since it uses more digits than its factorization.
144423104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 144423104 is about 12017.6164025983. The cubic root of 144423104 is about 524.6611315844.
Adding to 144423104 its reverse (401324441), we get a palindrome (545747545).
It can be divided in two parts, 1444 and 23104, that multiplied together give a 4-th power (33362176 = 764).
The spelling of 144423104 in words is "one hundred forty-four million, four hundred twenty-three thousand, one hundred four".
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