Base | Representation |
---|---|
bin | 1001110100111… |
… | …01000110000001 |
3 | 12202002222222022 |
4 | 10322131012001 |
5 | 132100314020 |
6 | 12102451225 |
7 | 2020443440 |
oct | 472350601 |
9 | 182088868 |
10 | 82432385 |
11 | 42592742 |
12 | 23733b15 |
13 | 14102579 |
14 | ad3ad57 |
15 | 7384625 |
hex | 4e9d181 |
82432385 has 8 divisors (see below), whose sum is σ = 113050176. Its totient is φ = 56525040.
The previous prime is 82432351. The next prime is 82432397. The reversal of 82432385 is 58323428.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82432385 - 26 = 82432321 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 2355211 = 82432385 / (8 + 2 + 4 + 3 + 2 + 3 + 8 + 5).
It is a Duffinian number.
It is a Curzon 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, 1177571 + ... + 1177640.
It is an arithmetic number, because the mean of its divisors is an integer number (14131272).
Almost surely, 282432385 is an apocalyptic number.
It is an amenable number.
82432385 is a deficient number, since it is larger than the sum of its proper divisors (30617791).
82432385 is a wasteful number, since it uses less digits than its factorization.
82432385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2355223.
The product of its digits is 46080, while the sum is 35.
The square root of 82432385 is about 9079.2282160985. The cubic root of 82432385 is about 435.2104235835.
The spelling of 82432385 in words is "eighty-two million, four hundred thirty-two thousand, three hundred eighty-five".
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