Base | Representation |
---|---|
bin | 1000100110011… |
… | …00101000100000 |
3 | 12000202011022122 |
4 | 10103030220200 |
5 | 121432010334 |
6 | 11054123412 |
7 | 1534122422 |
oct | 423145040 |
9 | 160664278 |
10 | 72141344 |
11 | 377a3950 |
12 | 201b0568 |
13 | 11c3b3b2 |
14 | 981c812 |
15 | 650032e |
hex | 44cca20 |
72141344 has 24 divisors (see below), whose sum is σ = 154940688. Its totient is φ = 32791360.
The previous prime is 72141341. The next prime is 72141361. The reversal of 72141344 is 44314127.
It is not an unprimeable number, because it can be changed into a prime (72141341) 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, 102122 + ... + 102825.
It is an arithmetic number, because the mean of its divisors is an integer number (6455862).
Almost surely, 272141344 is an apocalyptic number.
It is an amenable number.
72141344 is an abundant number, since it is smaller than the sum of its proper divisors (82799344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72141344 is a wasteful number, since it uses less digits than its factorization.
72141344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204968 (or 204960 counting only the distinct ones).
The product of its digits is 2688, while the sum is 26.
The square root of 72141344 is about 8493.6060657415. The cubic root of 72141344 is about 416.2888157101.
It can be divided in two parts, 7214 and 1344, that added together give a palindrome (8558).
The spelling of 72141344 in words is "seventy-two million, one hundred forty-one thousand, three hundred forty-four".
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