Base | Representation |
---|---|
bin | 10110110000000… |
… | …100000100111111 |
3 | 222121020021201120 |
4 | 112300010010333 |
5 | 1240203321432 |
6 | 101513042023 |
7 | 12313245141 |
oct | 2660040477 |
9 | 877207646 |
10 | 381698367 |
11 | 1865056a6 |
12 | a79b6313 |
13 | 6110422b |
14 | 3899cc91 |
15 | 2379ac2c |
hex | 16c0413f |
381698367 has 8 divisors (see below), whose sum is σ = 511344000. Its totient is φ = 253259160.
The previous prime is 381698333. The next prime is 381698371. The reversal of 381698367 is 763896183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381698367 - 211 = 381696319 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381691367) 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 7 ways as a sum of consecutive naturals, for example, 300867 + ... + 302132.
It is an arithmetic number, because the mean of its divisors is an integer number (63918000).
Almost surely, 2381698367 is an apocalyptic number.
381698367 is a deficient number, since it is larger than the sum of its proper divisors (129645633).
381698367 is a wasteful number, since it uses less digits than its factorization.
381698367 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 603213.
The product of its digits is 1306368, while the sum is 51.
The square root of 381698367 is about 19537.1023184095. The cubic root of 381698367 is about 725.3931229821.
The spelling of 381698367 in words is "three hundred eighty-one million, six hundred ninety-eight thousand, three hundred sixty-seven".
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