Base | Representation |
---|---|
bin | 1101110111000101… |
… | …1111100000100000 |
3 | 100121022020010011112 |
4 | 3131301133200200 |
5 | 30110002120343 |
6 | 1413112202452 |
7 | 161126521061 |
oct | 33561374040 |
9 | 10538203145 |
10 | 3720738848 |
11 | 163a295192 |
12 | 87a099428 |
13 | 473b05428 |
14 | 27421c568 |
15 | 16b9b1218 |
hex | ddc5f820 |
3720738848 has 54 divisors (see below), whose sum is σ = 7536882717. Its totient is φ = 1808093440.
The previous prime is 3720738841. The next prime is 3720738863. The reversal of 3720738848 is 8488370273.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
3720738848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 2657196304 + 1063542544 = 51548^2 + 32612^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=43132.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3720738796 and 3720738805.
It is not an unprimeable number, because it can be changed into a prime (3720738841) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14147165 + ... + 14147427.
Almost surely, 23720738848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3720738848
3720738848 is an abundant number, since it is smaller than the sum of its proper divisors (3816143869).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3720738848 is an frugal number, since it uses more digits than its factorization.
3720738848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618 (or 306 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 50.
The square root of 3720738848 is about 60997.8593722763. The cubic root of 3720738848 is about 1549.5647543798.
Multiplying 3720738848 by its sum of digits (50), we get a square (186036942400 = 4313202).
The spelling of 3720738848 in words is "three billion, seven hundred twenty million, seven hundred thirty-eight thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •