Base | Representation |
---|---|
bin | 1110001100000111… |
… | …1100111010100000 |
3 | 100211110012011222000 |
4 | 3203001330322200 |
5 | 30300042032210 |
6 | 1425542444000 |
7 | 163250311260 |
oct | 34301747240 |
9 | 10743164860 |
10 | 3808939680 |
11 | 1685057837 |
12 | 8a3733600 |
13 | 489177480 |
14 | 281c1b7a0 |
15 | 1745d4ac0 |
hex | e307cea0 |
3808939680 has 384 divisors, whose sum is σ = 16409433600. Its totient is φ = 803561472.
The previous prime is 3808939661. The next prime is 3808939723. The reversal of 3808939680 is 869398083.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 388276 + ... + 397964.
It is an arithmetic number, because the mean of its divisors is an integer number (42732900).
Almost surely, 23808939680 is an apocalyptic number.
3808939680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3808939680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8204716800).
3808939680 is an abundant number, since it is smaller than the sum of its proper divisors (12600493920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3808939680 is a wasteful number, since it uses less digits than its factorization.
3808939680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9733 (or 9719 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 54.
The square root of 3808939680 is about 61716.6078134565. The cubic root of 3808939680 is about 1561.7135018183.
The spelling of 3808939680 in words is "three billion, eight hundred eight million, nine hundred thirty-nine thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •