Base | Representation |
---|---|
bin | 10110101110010… |
… | …001110011111110 |
3 | 222120100111201000 |
4 | 112232101303332 |
5 | 1240043332314 |
6 | 101455031130 |
7 | 12306255462 |
oct | 2656216376 |
9 | 876314630 |
10 | 381230334 |
11 | 186215aa1 |
12 | a780b4a6 |
13 | 60c9c1a4 |
14 | 388ba4a2 |
15 | 23707209 |
hex | 16b91cfe |
381230334 has 64 divisors (see below), whose sum is σ = 861696000. Its totient is φ = 124921440.
The previous prime is 381230323. The next prime is 381230347. The reversal of 381230334 is 433032183.
It is a super-3 number, since 3×3812303343 (a number of 27 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 381230298 and 381230307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406619 + ... + 1406889.
It is an arithmetic number, because the mean of its divisors is an integer number (13464000).
Almost surely, 2381230334 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 381230334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430848000).
381230334 is an abundant number, since it is smaller than the sum of its proper divisors (480465666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381230334 is a wasteful number, since it uses less digits than its factorization.
381230334 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630 (or 624 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
The square root of 381230334 is about 19525.1205886161. The cubic root of 381230334 is about 725.0965128749.
The spelling of 381230334 in words is "three hundred eighty-one million, two hundred thirty thousand, three hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •