Base | Representation |
---|---|
bin | 10110101100100… |
… | …000011011100111 |
3 | 222112110220122202 |
4 | 112230200123213 |
5 | 1234434002202 |
6 | 101441045115 |
7 | 12302312513 |
oct | 2654403347 |
9 | 875426582 |
10 | 380765927 |
11 | 185a29093 |
12 | a762679b |
13 | 60b689a9 |
14 | 387d9143 |
15 | 23664802 |
hex | 16b206e7 |
380765927 has 4 divisors (see below), whose sum is σ = 391056936. Its totient is φ = 370474920.
The previous prime is 380765867. The next prime is 380765929. The reversal of 380765927 is 729567083.
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 380765927 - 212 = 380761831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380765929) 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, 5145449 + ... + 5145522.
It is an arithmetic number, because the mean of its divisors is an integer number (97764234).
Almost surely, 2380765927 is an apocalyptic number.
380765927 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
380765927 is a deficient number, since it is larger than the sum of its proper divisors (10291009).
380765927 is a wasteful number, since it uses less digits than its factorization.
380765927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10291008.
The product of its (nonzero) digits is 635040, while the sum is 47.
The square root of 380765927 is about 19513.2244132024. The cubic root of 380765927 is about 724.8019606533.
The spelling of 380765927 in words is "three hundred eighty million, seven hundred sixty-five thousand, nine hundred twenty-seven".
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