Base | Representation |
---|---|
bin | 10110101110110… |
… | …001011000000100 |
3 | 222120121002001101 |
4 | 112232301120010 |
5 | 1240112001440 |
6 | 101501505444 |
7 | 12310334425 |
oct | 2656613004 |
9 | 876532041 |
10 | 381359620 |
11 | 1862a4144 |
12 | a7872284 |
13 | 61015ca5 |
14 | 3891164c |
15 | 2373069a |
hex | 16bb1604 |
381359620 has 24 divisors (see below), whose sum is σ = 804888000. Its totient is φ = 151775712.
The previous prime is 381359603. The next prime is 381359653. The reversal of 381359620 is 26953183.
381359620 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
381359620 is strictly pandigital in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 381359620.
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, 43930 + ... + 51889.
It is an arithmetic number, because the mean of its divisors is an integer number (33537000).
Almost surely, 2381359620 is an apocalyptic number.
It is an amenable number.
381359620 is an abundant number, since it is smaller than the sum of its proper divisors (423528380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381359620 is a wasteful number, since it uses less digits than its factorization.
381359620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96027 (or 96025 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 381359620 is about 19528.4310685728. The cubic root of 381359620 is about 725.1784705299.
The spelling of 381359620 in words is "three hundred eighty-one million, three hundred fifty-nine thousand, six hundred twenty".
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