Base | Representation |
---|---|
bin | 1110011101100001… |
… | …0011100100000000 |
3 | 101000112111101100011 |
4 | 3213120103210000 |
5 | 30422232032410 |
6 | 1441110434304 |
7 | 165124451302 |
oct | 34730234400 |
9 | 11015441304 |
10 | 3881908480 |
11 | 171226632a |
12 | 904062994 |
13 | 49b315388 |
14 | 28b7b3972 |
15 | 17abea18a |
hex | e7613900 |
3881908480 has 72 divisors (see below), whose sum is σ = 9317831544. Its totient is φ = 1549516800.
The previous prime is 3881908427. The next prime is 3881908507. The reversal of 3881908480 is 848091883.
It can be written as a sum of positive squares in 4 ways, for example, as 644753664 + 3237154816 = 25392^2 + 56896^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663970 + ... + 669790.
It is an arithmetic number, because the mean of its divisors is an integer number (129414327).
Almost surely, 23881908480 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 3881908480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4658915772).
3881908480 is an abundant number, since it is smaller than the sum of its proper divisors (5435923064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3881908480 is an equidigital number, since it uses as much as digits as its factorization.
3881908480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6363 (or 6349 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 49.
The square root of 3881908480 is about 62304.9635261911. The cubic root of 3881908480 is about 1571.6231984990.
The spelling of 3881908480 in words is "three billion, eight hundred eighty-one million, nine hundred eight thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •