Base | Representation |
---|---|
bin | 10110101110110… |
… | …110001010000101 |
3 | 222120122001220202 |
4 | 112232312022011 |
5 | 1240113113310 |
6 | 101502140245 |
7 | 12310445504 |
oct | 2656661205 |
9 | 876561822 |
10 | 381379205 |
11 | 186307929 |
12 | a7881685 |
13 | 61021b8c |
14 | 3891883b |
15 | 237363a5 |
hex | 16bb6285 |
381379205 has 8 divisors (see below), whose sum is σ = 472418304. Its totient is φ = 295261200.
The previous prime is 381379199. The next prime is 381379217. The reversal of 381379205 is 502973183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381379205 - 212 = 381375109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230101 + ... + 1230410.
It is an arithmetic number, because the mean of its divisors is an integer number (59052288).
Almost surely, 2381379205 is an apocalyptic number.
It is an amenable number.
381379205 is a deficient number, since it is larger than the sum of its proper divisors (91039099).
381379205 is a wasteful number, since it uses less digits than its factorization.
381379205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2460547.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 381379205 is about 19528.9325105086. The cubic root of 381379205 is about 725.1908843396.
The spelling of 381379205 in words is "three hundred eighty-one million, three hundred seventy-nine thousand, two hundred five".
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