Base | Representation |
---|---|
bin | 1000110111111010… |
… | …0111000011111101 |
3 | 20011000011011020100 |
4 | 2031332213003331 |
5 | 14334243003011 |
6 | 1032210311313 |
7 | 113012445345 |
oct | 21576470375 |
9 | 6130134210 |
10 | 2382000381 |
11 | 1012639162 |
12 | 565888539 |
13 | 2bc655ba7 |
14 | 1884d5d25 |
15 | de1bcd56 |
hex | 8dfa70fd |
2382000381 has 6 divisors (see below), whose sum is σ = 3440667230. Its totient is φ = 1588000248.
The previous prime is 2382000377. The next prime is 2382000409. The reversal of 2382000381 is 1830002832.
It can be written as a sum of positive squares in only one way, i.e., 1790051481 + 591948900 = 42309^2 + 24330^2 .
It is not a de Polignac number, because 2382000381 - 22 = 2382000377 is a prime.
It is a super-2 number, since 2×23820003812 = 11347851630168290322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2382000301) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132333346 + ... + 132333363.
Almost surely, 22382000381 is an apocalyptic number.
It is an amenable number.
2382000381 is a deficient number, since it is larger than the sum of its proper divisors (1058666849).
2382000381 is a wasteful number, since it uses less digits than its factorization.
2382000381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264666715 (or 264666712 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 2382000381 is about 48805.7412708792. The cubic root of 2382000381 is about 1335.5104036652.
The spelling of 2382000381 in words is "two billion, three hundred eighty-two million, three hundred eighty-one", and thus it is an aban number.
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