Base | Representation |
---|---|
bin | 10110101110110… |
… | …100010011000000 |
3 | 222120121200110111 |
4 | 112232310103000 |
5 | 1240112342314 |
6 | 101502041104 |
7 | 12310414336 |
oct | 2656642300 |
9 | 876550414 |
10 | 381371584 |
11 | 186302130 |
12 | a7879194 |
13 | 6101b579 |
14 | 38915b56 |
15 | 23733ec4 |
hex | 16bb44c0 |
381371584 has 28 divisors (see below), whose sum is σ = 825584328. Its totient is φ = 173350400.
The previous prime is 381371581. The next prime is 381371593. The reversal of 381371584 is 485173183.
It is not an unprimeable number, because it can be changed into a prime (381371581) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 270157 + ... + 271564.
Almost surely, 2381371584 is an apocalyptic number.
It is an amenable number.
381371584 is an abundant number, since it is smaller than the sum of its proper divisors (444212744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381371584 is a wasteful number, since it uses less digits than its factorization.
381371584 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541744 (or 541734 counting only the distinct ones).
The product of its digits is 80640, while the sum is 40.
The square root of 381371584 is about 19528.7373887817. The cubic root of 381371584 is about 725.1860538747.
The spelling of 381371584 in words is "three hundred eighty-one million, three hundred seventy-one thousand, five hundred eighty-four".
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