Base | Representation |
---|---|
bin | 10110110001100… |
… | …000111100101101 |
3 | 222121221121112101 |
4 | 112301200330231 |
5 | 1240303010030 |
6 | 101525135101 |
7 | 12316421155 |
oct | 2661407455 |
9 | 877847471 |
10 | 382078765 |
11 | 186745482 |
12 | a7b5a491 |
13 | 61208413 |
14 | 38a5b765 |
15 | 238237ca |
hex | 16c60f2d |
382078765 has 4 divisors (see below), whose sum is σ = 458494524. Its totient is φ = 305663008.
The previous prime is 382078729. The next prime is 382078769. The reversal of 382078765 is 567870283.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 63027721 + 319051044 = 7939^2 + 17862^2 .
It is a cyclic number.
It is not a de Polignac number, because 382078765 - 213 = 382070573 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 (382078769) 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, 38207872 + ... + 38207881.
It is an arithmetic number, because the mean of its divisors is an integer number (114623631).
Almost surely, 2382078765 is an apocalyptic number.
It is an amenable number.
382078765 is a deficient number, since it is larger than the sum of its proper divisors (76415759).
382078765 is an equidigital number, since it uses as much as digits as its factorization.
382078765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76415758.
The product of its (nonzero) digits is 564480, while the sum is 46.
The square root of 382078765 is about 19546.8351658267. The cubic root of 382078765 is about 725.6340169285.
The spelling of 382078765 in words is "three hundred eighty-two million, seventy-eight thousand, seven hundred sixty-five".
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