Base | Representation |
---|---|
bin | 10001000110001… |
… | …11001001011100 |
3 | 100222212121001120 |
4 | 20203013021130 |
5 | 243204001134 |
6 | 22122010540 |
7 | 3361032033 |
oct | 1043071134 |
9 | 328777046 |
10 | 143422044 |
11 | 73a5a117 |
12 | 40046a50 |
13 | 23937b1c |
14 | 1509571a |
15 | c8d0649 |
hex | 88c725c |
143422044 has 12 divisors (see below), whose sum is σ = 334651464. Its totient is φ = 47807344.
The previous prime is 143422031. The next prime is 143422049. The reversal of 143422044 is 440224341.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×1434220443 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143422049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975907 + ... + 5975930.
It is an arithmetic number, because the mean of its divisors is an integer number (27887622).
Almost surely, 2143422044 is an apocalyptic number.
It is an amenable number.
143422044 is an abundant number, since it is smaller than the sum of its proper divisors (191229420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143422044 is a wasteful number, since it uses less digits than its factorization.
143422044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11951844 (or 11951842 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 143422044 is about 11975.8942881106. The cubic root of 143422044 is about 523.4461009871.
Adding to 143422044 its reverse (440224341), we get a palindrome (583646385).
The spelling of 143422044 in words is "one hundred forty-three million, four hundred twenty-two thousand, forty-four".
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