Base | Representation |
---|---|
bin | 10110101101110… |
… | …000000010111011 |
3 | 222120002110222112 |
4 | 112231300002323 |
5 | 1240024421102 |
6 | 101452042535 |
7 | 12305141321 |
oct | 2655600273 |
9 | 876073875 |
10 | 381092027 |
11 | 186131098 |
12 | a776344b |
13 | 60c51254 |
14 | 38881d11 |
15 | 236cb252 |
hex | 16b700bb |
381092027 has 4 divisors (see below), whose sum is σ = 389200416. Its totient is φ = 372983640.
The previous prime is 381091999. The next prime is 381092029. The reversal of 381092027 is 720290183.
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 381092027 - 220 = 380043451 is a prime.
It is a super-2 number, since 2×3810920272 = 290462266085937458, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 381091984 and 381092002.
It is not an unprimeable number, because it can be changed into a prime (381092029) 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, 4054124 + ... + 4054217.
It is an arithmetic number, because the mean of its divisors is an integer number (97300104).
Almost surely, 2381092027 is an apocalyptic number.
381092027 is a deficient number, since it is larger than the sum of its proper divisors (8108389).
381092027 is an equidigital number, since it uses as much as digits as its factorization.
381092027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8108388.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 381092027 is about 19521.5784966278. The cubic root of 381092027 is about 725.0088160640.
The spelling of 381092027 in words is "three hundred eighty-one million, ninety-two thousand, twenty-seven".
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