Base | Representation |
---|---|
bin | 1001000101111… |
… | …1100110100110 |
3 | 2122202201200200 |
4 | 2101133212212 |
5 | 34230442301 |
6 | 3441251330 |
7 | 642121200 |
oct | 221374646 |
9 | 78681620 |
10 | 38140326 |
11 | 1a590434 |
12 | 10933b46 |
13 | 7b95253 |
14 | 50cb770 |
15 | 3535c86 |
hex | 245f9a6 |
38140326 has 72 divisors (see below), whose sum is σ = 97474104. Its totient is φ = 10745280.
The previous prime is 38140321. The next prime is 38140339. The reversal of 38140326 is 62304183.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 38140326.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38140321) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72946 + ... + 73466.
It is an arithmetic number, because the mean of its divisors is an integer number (1353807).
Almost surely, 238140326 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38140326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48737052).
38140326 is an abundant number, since it is smaller than the sum of its proper divisors (59333778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38140326 is a wasteful number, since it uses less digits than its factorization.
38140326 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626 (or 616 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 38140326 is about 6175.7854561181. The cubic root of 38140326 is about 336.6108678996.
The spelling of 38140326 in words is "thirty-eight million, one hundred forty thousand, three hundred twenty-six".
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