Base | Representation |
---|---|
bin | 10110101111100… |
… | …100001010110000 |
3 | 222120222122102201 |
4 | 112233210022300 |
5 | 1240140131124 |
6 | 101510152544 |
7 | 12312162112 |
oct | 2657441260 |
9 | 876878381 |
10 | 381567664 |
11 | 186426485 |
12 | a7952754 |
13 | 610898aa |
14 | 389673b2 |
15 | 23772144 |
hex | 16be42b0 |
381567664 has 10 divisors (see below), whose sum is σ = 739287380. Its totient is φ = 190783824.
The previous prime is 381567661. The next prime is 381567679. The reversal of 381567664 is 466765183.
It is not an unprimeable number, because it can be changed into a prime (381567661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11923974 + ... + 11924005.
It is an arithmetic number, because the mean of its divisors is an integer number (73928738).
Almost surely, 2381567664 is an apocalyptic number.
It is an amenable number.
381567664 is a deficient number, since it is larger than the sum of its proper divisors (357719716).
381567664 is a wasteful number, since it uses less digits than its factorization.
381567664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23847987 (or 23847981 counting only the distinct ones).
The product of its digits is 725760, while the sum is 46.
The square root of 381567664 is about 19533.7570374979. The cubic root of 381567664 is about 725.3103159897.
The spelling of 381567664 in words is "three hundred eighty-one million, five hundred sixty-seven thousand, six hundred sixty-four".
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