Base | Representation |
---|---|
bin | 10001001101011… |
… | …10110010011010 |
3 | 101001122210120020 |
4 | 20212232302122 |
5 | 243424331332 |
6 | 22154211310 |
7 | 3402063150 |
oct | 1046566232 |
9 | 331583506 |
10 | 144370842 |
11 | 74547a50 |
12 | 40423b36 |
13 | 23baa945 |
14 | 152613d0 |
15 | ca1b82c |
hex | 89aec9a |
144370842 has 64 divisors (see below), whose sum is σ = 361939968. Its totient is φ = 37296000.
The previous prime is 144370829. The next prime is 144370843. The reversal of 144370842 is 248073441.
144370842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (144370843) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96742 + ... + 98222.
It is an arithmetic number, because the mean of its divisors is an integer number (5655312).
Almost surely, 2144370842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144370842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180969984).
144370842 is an abundant number, since it is smaller than the sum of its proper divisors (217569126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144370842 is a wasteful number, since it uses less digits than its factorization.
144370842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1715.
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 144370842 is about 12015.4418145984. The cubic root of 144370842 is about 524.5978380452.
The spelling of 144370842 in words is "one hundred forty-four million, three hundred seventy thousand, eight hundred forty-two".
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