Base | Representation |
---|---|
bin | 10110110001000… |
… | …100000010111111 |
3 | 222121201121010212 |
4 | 112301010002333 |
5 | 1240240213013 |
6 | 101522423035 |
7 | 12315416060 |
oct | 2661040277 |
9 | 877647125 |
10 | 381960383 |
11 | 186674542 |
12 | a7b01a7b |
13 | 6119657c |
14 | 38a2a567 |
15 | 237ed6a8 |
hex | 16c440bf |
381960383 has 4 divisors (see below), whose sum is σ = 436526160. Its totient is φ = 327394608.
The previous prime is 381960377. The next prime is 381960409. The reversal of 381960383 is 383069183.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 381960383 - 28 = 381960127 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 381960383.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381960323) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27282878 + ... + 27282891.
It is an arithmetic number, because the mean of its divisors is an integer number (109131540).
Almost surely, 2381960383 is an apocalyptic number.
381960383 is a deficient number, since it is larger than the sum of its proper divisors (54565777).
381960383 is an equidigital number, since it uses as much as digits as its factorization.
381960383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54565776.
The product of its (nonzero) digits is 93312, while the sum is 41.
The square root of 381960383 is about 19543.8067683857. The cubic root of 381960383 is about 725.5590665191.
The spelling of 381960383 in words is "three hundred eighty-one million, nine hundred sixty thousand, three hundred eighty-three".
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