Base | Representation |
---|---|
bin | 10110101110111… |
… | …111010100001101 |
3 | 222120200222101002 |
4 | 112232333110031 |
5 | 1240120313332 |
6 | 101503030045 |
7 | 12310663043 |
oct | 2656772415 |
9 | 876628332 |
10 | 381416717 |
11 | 186333030 |
12 | a789b325 |
13 | 61035c86 |
14 | 38928393 |
15 | 23742562 |
hex | 16bbf50d |
381416717 has 8 divisors (see below), whose sum is σ = 416321472. Its totient is φ = 346550400.
The previous prime is 381416701. The next prime is 381416719. The reversal of 381416717 is 717614183.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 381416717 - 24 = 381416701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381416719) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13592 + ... + 30782.
It is an arithmetic number, because the mean of its divisors is an integer number (52040184).
Almost surely, 2381416717 is an apocalyptic number.
It is an amenable number.
381416717 is a deficient number, since it is larger than the sum of its proper divisors (34904755).
381416717 is a wasteful number, since it uses less digits than its factorization.
381416717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19219.
The product of its digits is 28224, while the sum is 38.
The square root of 381416717 is about 19529.8929080525. The cubic root of 381416717 is about 725.2146598612.
The spelling of 381416717 in words is "three hundred eighty-one million, four hundred sixteen thousand, seven hundred seventeen".
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